Siesta party
Just to continue the exuberance we had in Paris, how about a party to celebrate Siesta? Maybe when a certain milestone is complete. Maybe when the london.pm list moves onto siesta. I don't have an occasion. I don't have a date. But I do have a venue: http://openguides.org/london/index.cgi?Acapulco%2C_NW3_6ND Let's bring the sombreros and see if we can drink the place out of tequila. Okay, so it's North London, not Central London. But it is zone 2, and in easy reach of public transport. What do you think? Are you up for it?
Re: london.pm digest, Vol 1 #1485 - 18 msgs
- Original Message - Date: Mon, 7 Jul 2003 16:46:11 +0100 Subject: Re: OT: More sybase related - IDENTIFIER TOO LONG Cc: [EMAIL PROTECTED] To: [EMAIL PROTECTED] From: David Hodgkinson [EMAIL PROTECTED] Reply-To: [EMAIL PROTECTED] On Monday, July 7, 2003, at 03:41 PM, Raf wrote: Seems like a bit of poor error handling/reporting on the part of sybase though. Get the SAMS Sybase Unleashed book. Oh, and then read it. Any chance of the ISBN? I would very much like to buy a copy for myself for work, but I can't find it on Amazon or samspublishing.com. Is the book still in print? Ivor.
Expletives (was Eurocracy sucks)
- Original Message - Date: Mon, 14 Jul 2003 15:50:41 +0100 From: Earle Martin [EMAIL PROTECTED] To: [EMAIL PROTECTED] Subject: Eurocracy sucks. Organization: Strike Force for Indolence and Spiritual Beauty Reply-To: [EMAIL PROTECTED] Some of you may have heard this from me, some not Interestingly enough, this message, and at least four of the replies to it have tripped the corporate dodgy word detector on-site where I am working (lurking). Whilst I fully concur with Earle's sentiments about the attitude of the French authorities towards his wife, I am wondering whether to unsubscribe from this list at work. I thought that this list was more or less work-safe and clean, now I am not so sure. IvorW (@home).
[Announce] Central London treasure hunt: Today
Rendezvous at: The Tattershall Castle - a boat pub on the Thames at Embankment. Time: 4 pm onwards Entrance: 5 / person Please mail me off-list if interested or if you want to know more. Ivor
Re: [ANNOUNCE] Call For Participation: March Techincal Meeting
From: Mark Fowler [EMAIL PROTECTED] To: [EMAIL PROTECTED] Subject: [ANNOUNCE] Call For Participation: March Techincal Meeting Date: Thu, 20 Feb 2003 13:03:20 + (GMT) Reply-To: [EMAIL PROTECTED] The next London Perl Mongers Tech meet will be held mid march, and I'm looking for talks. The simplest kind of talk you can do is a lightning talk. These talks typically last between five and seven minutes and serve just long enough to briefly introduce a topic but not go into any detail. They're great for first time speakers (you only have to be standing for a few minutes) and allow many people to cover a lot of different ground. Previously we had an entire tech talk made up of talks and it might give you ideas: http://london.pm.org/tech_talks/21_nov_2002/. The normal length talks typically last about twenty minutes. These normally allow a speaker to explain most topics with a reasonable level of detail. Finally there's also the ultra long forty minute. These typically allow you start from the beginning of a topic assuming no prior knowledge and cover the subject in depth. So, has anyone got any material to present? Remember, it doesn't have to be overly complicated - in fact it could just be as simple as a war story and how you overcame a problem you were having with Perl. Also, is there any subject that anyone would particularly like to hear discussed? Remember kids, this month gives a good opportunity for people to give practice talks for the upcoming conference season. As mentioned in the pub after the last tech meet, I intend to do a talk on VCS::Lite. I will make this a 5 minute lightning talk, as that's all I have the energy to prepare at the monent. Ivor.
RE: Drink for Peace? [[was: [PUB] Spread Eagle, NW1]]
On Tuesday, January 28, 2003 1:35 PM, Andy Wardley [SMTP:[EMAIL PROTECTED]] wrote: london perl mongers for peace sounds really cool but i would also respect the view that in terms of Perl Advocacy and gaining mindshare in corporate land, having Perl associated with political ideology could be doing the wider community a disservice. How about: London Peace Mongers or JAPH: Just Another Peace Hacker or #!/usr/bin/peace Reminds me of a rule we used to have in the Makefile defaults: love: echo not war? Ivor.
RE: [OT] Oldest machine still running perl
On Tuesday, January 21, 2003 3:35 PM, Alex McLintock [SMTP:[EMAIL PROTECTED]] wrote: At 22:37 20/01/03, you wrote: On Mon, 20 Jan 2003, Shevek wrote: I just gave away a 386/8MHz which ran it. Slackware 4.0. 386/8MHz ? Thee were lucky lad ! When I were a boy I had to make do with an abacus ! Just had a friendly argument with a hitchhikers fan as to whether or not an abacus was a digital or analogue computer. Humm... A slide rule is a good analogy for an anologue computer. This should appeal to ZZ9ers. If I can remember the quote: Zaphod (about Eddie the shipboard computer): I think we'd be better off with a slide rule.
Potential new module
I've been reviewing what I have learned from the LWP stuff I have been doing
for Grubstreet. This involved form filling and POST method.
I was struck with the feeling that boiling down the form data is something that
has probably been done many times over - but a search didn't find anything
obvious.
I feel a CPAN module coming on (unless it's already been done and I've missed
it), but I'm stuck on which namespace to use: HTML::Formdata, HTTP::Formdata,
LWP::HTMLForm, thoughts please.
From the existing code that I have written, is a sub formdata, which takes the
HTML page and form name as parameters. The form name is optional; if no form
name is specified, the routine picks up the first form on the page.
sub formdata {
my ($html,$formname) = @_;
my $tp = HTML::TokeParser-new(\$html) or die Bad HTML form;
while (my $form = $tp-get_tag('form')) {
last if !$formname || ($form-[1]{name} eq $formname);
$tp-get_text('/form');
}
my @form;
while (my $field = $tp-get_tag('input','select','textarea')) {
my ($tag,$attr) = @$field;
if ($tag eq 'textarea') {
my $text = $tp-get_text('/textarea');
push @form,$attr-{name},$text;
next;
}
if ($tag eq 'select') {
my $selected;
while (my $tok = $tp-get_token) {
last if $tok-[-1] =~ m(/select)i;
my ($typ,$tag,$att) = @$tok;
next unless $typ eq 'S' $tag eq 'option';
$selected = $att-{value} if exists $att-{selected};
}
push @form,$attr-{name},$selected if defined $selected;
next;
}
if ($attr-{type} =~ /hidden|password|text/) {
push @form,$attr-{name},$attr-{value};
}
if ($attr-{type} =~ /radio|checkbox/
exists $attr-{checked}) {
push @form,$attr-{name},$attr-{value};
}
}
@form;
}
The sub returns a list of key/value pairs. Thinking about it, I realised that
if the calling code turns it into a hash, this could lose any duplicate keys.
At this point, the light of recognition came on in my mind. This was a very
familiar concept, that of a CGI object.
I could make formdata return a CGI object or something inheriting from CGI,
giving access to all the input fields via $form-param. Besides being capable
of being submitted via a normal POST of encoding type
application/x-www-form-urlencoded, I would also like the code to be able to
handle file uploads and encoding type multipart/form-data.
Has anything like this been done before? Please let me know if I am duplicating
effort here.
Ivor.
FOSDEM 2003
Free Open Source Developers Europe Meeting, 8th-9th February in Brussels. http://www.fosdem.org/ Anyone interested in going? Ivor.
RE: hello to london perl mongers
On Wednesday, January 08, 2003 3:11 PM, [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]] wrote: is anyone interested in giving me some feedback on some software projects i'm sketching out? if yes, would you get in touch? Are you free on Thursday Evening, If so, why not come to Penderel's Oak and meet us in the flesh. Details are on the website: http://london.pm.org/meetings
RE: Mounting a CDROM case-insensitively
On Thursday, December 19, 2002 11:00 AM, Jonathan Peterson [SMTP:[EMAIL PROTECTED]] wrote: but isn't appearing to here. What's the magic?! The real magic would be a case insensitive filesystem for *nix. Has anyone written a kernel mod for Linux that gives you a case preserving case insensitive filesystem? I'd love one of those. Does anyone know of any *nixes that had the option for a case insensitive fs?? I'm just wondering what the likes of Samba and NFS do. As Samba is open source, there may be some clues here. NFS can talk to systems that have case insensitive file systems, such as VMS. IIRC, NFS munges the filenames on VMS by adding $ signs.
Party invite on behalf of Gordon Tytler
Hi all, Gordon (who was around at last Thursday's social meet) has asked me to post an invite to the list, for his party on Saturday. He's not subscribed himself (shame!) === Saturday 14th December 7pm 14 Mayfield Gardens, Hanwell, W7 Ealing Broadway Tube - E1 bus Shake your floor subwoofer Loud RB dancing, Auzzie ex-patriot and geek party with posh nibbles and nice booze. ===
RE: Crazy maths proof
On Monday, December 09, 2002 10:11 AM, Jonathan Peterson [SMTP:[EMAIL PROTECTED]] wrote: Chris Ball wrote: So, another maths exercise. I'll award a pint at the January social meet for the first correct post with the next number in the sequence, and another for an explanation of the sequence itself. 2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 60 The next number is 61, then 67 These are orders of simple groups, only a newbie would be sidetracked by the whole prime numbers thing. I don't know what I'm talking about but the sequence appears in google, so it must be right. See: In case anyone is interested in what a simple group is, check out http://www.wikipedia.org/wiki/Simple_group. Google is my friend to.
Sysadmin story: Cannot send mail over more than 500 miles
http://www.robotthoughts.com/print.php?sid=107 Enjoy. Apologies if this one has already done the rounds. Ivor.
RE: re-animating regexes
On Wednesday, November 27, 2002 6:50 PM, Mark [SMTP:[EMAIL PROTECTED]] wrote: I checked if similar would happen with Data::Dumper. From a quick test, looks like this may allow you to do what you want, if appropriate bits added to the freeze/thaw subs. [mmorgan]$ perl -MData::Dumper -le '$a=qr/a+b/; $b = eval( Dumper $a ); print /$b/ ? yep : nope foreach ( acb, abc )' nope yep The version of Data::Dumper being used is 2.102. This was only a quick test, and I've not looked into it too deeply, so YMMV. :) Not sure if this would prove anything as $b does not have to be a Regexp object - it would work just as well as a string. Another niggle: /me avoids $a and $b like the plague, as they have special meaning to sort. Ivor.
RE: re-animating regexes
On Wednesday, November 27, 2002 2:44 AM, Paul Makepeace
[SMTP:[EMAIL PROTECTED]] wrote:
use Disclaimer qw(late_night_post);
Is it possible to Storable a qr// ?
$ cat storable_re.pl
#!/usr/bin/perl -w
use strict;
use Storable qw(freeze thaw dclone);
my $r = qr/hello/i;
for my $mushy(0,1) {
$r = thaw freeze $r if $mushy;
print (\$r is $r)\n;
print Hi!\n if $ARGV[0] =~ /$r/;
}
$ perl storable_re.pl Hello
($r is (?i-xsm:hello))
Hi!
($r is Regexp=SCALAR(0x8100028))
$
WTF is a Regexp=SCALAR(0x) anyway, and how could I play with it?
use strict;
use warnings;
use Devel::Peek;
Dump qr/hello/i;
__OUTPUT__
SV = RV(0x1bc6ff8) at 0x1bdf03c
REFCNT = 1
FLAGS = (TEMP,ROK)
RV = 0x1bdf0f0
SV = PVMG(0x1d3f968) at 0x1bdf0f0
REFCNT = 1
FLAGS = (OBJECT,RMG)
IV = 0
NV = 0
PV = 0
MAGIC = 0x1bc0114
MG_VIRTUAL = 0x2808c138
MG_TYPE = 'r'
MG_OBJ = 0x1bdb540
STASH = 0x1bdf120 Regexp
Looks like a regexp is implemented as an object - I can't find any Regexp::
namespace though.
RE: glaziers
On Wednesday, November 27, 2002 10:25 AM, Ben [SMTP:[EMAIL PROTECTED]] wrote: Hi, (Not that I use london.pm as a Source Of All Knowledge or anything) I'm in need of a glazier to repair my living room windows that were damaged in the recent-ish storms (yes, I really am that lazy). Can anyone recommend someone who's reliable, works in London and not stupidly expensive? In the past I've used Acorn Glass and Glazing in Acton (they're local to me). They were quite reasonable. I don't have the phone number to hand, but I guess they are in the Yellow Pages.
Perl coding standards
The following thread on Perlmonks seems quite timely following our discussion last night in the pub on use strict; http://perlmonks.org/index.pl?node_id=214741
The Peon's Guide To Secure System Development
I've just come across this: http://m.bacarella.com/papers/secsoft/html/ Although it's not targetted at Perl people, it seems like quite a good reference document.
RE: law
On Wednesday, November 13, 2002 5:16 PM, Michael Stevens [SMTP:[EMAIL PROTECTED]] wrote: Can anyone in the UK recommend a good solicitor for employment law, preferably one with free time in the next 24 hours :) I can't recommend a solicitor, but for useful information, check out http://ourworld.compuserve.com/homepages/pntodd/labour/labour.htm btw Mike, what has happened? Ivor.
RE: st peter's ale
On Wednesday, November 13, 2002 9:57 AM, Simon Wistow [SMTP:[EMAIL PROTECTED]] wrote: On another mailing list (I was thinking of you! honest! they meant nothing) where we were having the perpetual What pub shallw e go to next discussion I mentioned The Jerusalem Tavern and said that I liked St Peter's ale. I got this reply - Begin forwarded message - That St. Peter's the branding exercise, right? Boy Jackson has the odd tale to tell... Hmm. I read a depressing article in a weekend supplement a while back. St. Peters was created by the former head of Interbrand (they came up with the PriceWaterhouseCoopers - phew, that took some getting out - concept, among other pieces of genius...). This guy went on about how he'd always wanted to own a brand, and stated that all it took was a couple of pubs, a brewery, and some nice bottles. There was a comment something like What's in the bottle doesn't matter, just what it looks like, and some stuff about outsourcing most of the production to Scottish and Newcastle or similar. I quite like some of the beer, and I've never been to one of the pubs, but my attitude them has never quite been the same since I read the article... - End forwarded message - That makes me feel dirty - even though I love the ale. Anybody know anything else? Go check out http://www.stpetersbrewery.co.uk/ for the full story. I don't disapprove of what they have done. Ivor.
RE: st peter's ale
On Wednesday, November 13, 2002 10:16 AM, Billy Abbott [SMTP:[EMAIL PROTECTED]] wrote: This seems to be true, and they even happily admit it on their website. http://www.stpetersbrewery.co.uk/index.htm?p=developt=htm dunno about the outsourcing bit - they claim to brew their beer in a manor house in surrey. Actually the brewery is in Suffolk, and it exists, as my brother has visited it. Don't know what Camra's line is on St. Peter's Brewery - will check my GBG when I get home.
RE: Looking for a group in the North of England
On Monday, November 11, 2002 8:09 PM, john imrie [SMTP:[EMAIL PROTECTED]] wrote: Does any one know of a Perl group in North of England? I got made redundent a month back and I'd like to stay up hear where housing is cheep :-) Just curious, where abouts upnorth?
RE: Seeking Perl Advocate in Africa
On Tuesday, November 12, 2002 1:59 AM, George Woolley [SMTP:[EMAIL PROTECTED]] wrote: I am a squire of the Oakland Perl Mongers. I strive to make the world a little better and to, someday, become a knight. I am on a quest. To fulfill the last part of this quest I seek contact with a Perl advocate in Africa. Perhaps you are that person or can direct me to such a one. I request your aid in this. Have you looked at Perlmonks? They have a monk map with people entered by longitude and lattitude, check out: http://tinymicros.com/pm/index.php?goto=MonkMap Not all monks have entered their lat + long, but you might find some who are close, who have. Ivor.
RE: My First CPAN Module... but comments first, please?
On Tuesday, November 12, 2002 11:09 AM, Dave Hinton at home [SMTP:[EMAIL PROTECTED]] wrote: I've written a module which I intend to release onto CPAN. I've never done this before, I haven't even registered on PAUSE yet. So before I do that, I'd appreciate it if people would have a quick glance at what I've written, and let me know what major boo-boos my inexperience has caused :-) The module is called Tie::Deref, but I'm having second thoughts and wondering whether Alias::Lexical might not be a better name. The documentation is at http://thereaction.co.uk/dah/Tie-Deref-man The module itself is at http://thereaction.co.uk/dah/Tie-Deref-pm Have you written any tests? These are a good idea when submitting to CPAN, and are useful giving an insight into your thoughts on all the possible scenarios. Ivor.
RE: mine data fast (was Re: [JOB] I Need One)
On Sunday, November 10, 2002 4:41 PM, Nicholas Clark [SMTP:[EMAIL PROTECTED]] wrote: On Sat, Nov 09, 2002 at 08:52:48PM -, Dean Wilson wrote: who know all the requirements. If you saw a job for a MOD_PEARL developer that you were interested in wouldn't you go for it?[0] Dean [0] Cue rants about not working for idiots. A jobs a job. true, but not all jobs are equal. It would depend on the circumstances. One is told that having errors on a CV gives a very bad impression. This works both ways. I much prefer working for non-idiots. Working for idiots is made more bearable by having an escape plan, but I find I conserve my meager reserves of sanity better by not being in a hole in the first place. Actually, the first thing I'd think on seeing a PEARL job is bah, I've got to get past some clueless moron first before getting to someone interesting. But this still doesn't solve the real problem of firms being disreputable (or incompetent (or startup, which means that they don't really have a as much of a choice)) and recruiting people only to make them redundant next week (or month) One sad thing is that often it is the PHB of the HR department that puts together adverts, who wouldn't know Perl from PEARL. It might be that the employer/client is perfectly OK, but Chinese whispers have crept into the advert. However, this says something about the bureaucracy and/or politics of the organisation. Ivor.
RE: Perl is someone else's bitch
On Friday, November 08, 2002 12:35 AM, Lusercop [SMTP:`the.lusercop'lusercop.net] wrote: David Adler is responsible for the ';' - 'vanderbilt' transformation (as helpfully enacted by the Hon M. Schwern, Esq.). I wonder, is this related to the Schwarzian transform, or perhaps the Gutta-Percha transform ;-)
RE: (no subject)
On Friday, November 08, 2002 5:28 PM, Kevin Gurney [SMTP:[EMAIL PROTECTED]] wrote: Anyone able to shed some light on how i can compare 2 arrays. I've tried ==, and this don't seem to work. This may be overkill for what you want, but check out Algorithm::Diff on CPAN. http://search.cpan.org/search?query=Algorithm::Diff
RE: Usernames?
On Wednesday, November 06, 2002 10:04 AM, Billy Abbott [SMTP:[EMAIL PROTECTED]] wrote: On Tue, 5 Nov 2002, Adam Turoff wrote: Early versions of unix supported monocased terminals. I remember a professor telling me that if you logged in and your username was allcaps, the tty would go into a compatability mode AND DISPLAY EVERYTHING IN UPPERCASE, EXCEPT FOR CAPITAL LETTERS LIKE \A AND \B WHICH WOULD APPEAR WITH A PRECEDING BACKSLASH. VMS isn;t quite that nasty (although it fills my days with a constant nagging pain), but it has no idea of case, does most everythign in caps, and ignores illegal characters typed in passwords without giving you a warning, as well as ignoring case in passwords... VMS++ I heart; VMS It also uppercases the echoing of characters, when the application program wants uppercase data. Nice. You do get some interesting effects when VMS connects to an NFS mount on a Unix box. IIRC they use $ signs in the filespec to indicate a case override (such as an upper case character on the Unix side). it does have built in file versioning and an advanced beard growing plugin though... Some Unixes , AIX I believe, have file versioning that can be enabled as a feature. But this is usually turned off for compatibility. I remember what it was like to have many versions of a file - What did it look like before I started fiddling with it ;-), Let's see if we can track the last version that worked. Lazy practices admittedly, but it saved me needing to go back to backup on many occasion. I also remember that VMS files have more date/times on them than on Unix - Created date, Modified date, Date last backed up. /reminiscence
RE: Usernames?
On Wednesday, November 06, 2002 11:39 AM, Andrew Wilson [SMTP:[EMAIL PROTECTED]] wrote: I don't like DCL and my admins don't have enough clue to have installed any decent editors so I'm stuck with eve or edt (yuck!!!). Arse to DCL! (Now I want to be ill all over the keyboard (yuck, yuck, yuck!)) You don't have to be a privileged user to install and set up your own editor, just write permission to a disk. A vi emulator called vile is available on Decus - Emacs has also been ported to VMS. In terms of DCL - I have abandoned this in favour of Perl ;-) The VMS port works quite well, once you have got to know the few gotchas: long lines, binmode, flock, no symlinks, %ENV, etc.
RE: Proposal: Filesystem abstraction layer
On Thursday, October 31, 2002 11:15 AM, Shevek [SMTP:[EMAIL PROTECTED]] wrote: Questions: I intend to write this module. 1) Is there any code I should look at already? I'm assuming that I will inherit IO::File and IO::Dir into my own File and Dir objects. Take a look at the File::Spec and other modules in the File:: namespace. Also read perldoc perlport, as this presents the current guidelines for writing portable code. 2) What should I call it and where should it live in the namespace? How about File::System or File::Abstract
Online communities
I've discovered this essay by 'chromatic', which may be of interest: http://www.oreillynet.com/pub/a/network/2002/10/21/community.html
RFC: Usemod wiki enhancement for searches
The primary application for this is Grub Street (http://grault.net/grubstreet) though I am sending it to the london.pm list because I am interested in whether any mongers can pick any security holes in it.AFAIK the grub street list is a subset of london.pm. Earle/Kake, Assuming the script is OK, any chance of giving it a go on Grub Street. Please let me know what you think. How to use it is in the small pod. How to install is in the comments at the top. Ivor. supersearch.pl Description: Binary data
[JOB] Rational Clearcase expert
Sorry if details seem a bit vague. Sorry again, this is not a Perl job. My employers (Sopra Group) are looking for a Clearcase person. We are looking for someone skilled in: * Installing and configuring Clearcase * Clearcase administration * Configuration Management * Development workflows and release cycles Also, Unix skills are needed (goes without saying). Please reply off-list to me directly if interested. Ivor.
RE: Books on london.pm.org (was Re: applying patterns)
On Friday, October 11, 2002 4:17 PM, Simon Wistow [SMTP:[EMAIL PROTECTED]] wrote: On Fri, Oct 11, 2002 at 04:02:21PM +0100, Ivor Williams said: Maybe introduce some kind of XP style voting system, like on Perlmonks or Everything2. Alternatively we could just do it and then, if anybody complains, deal with it then rather than our current modus operandi of burning our bridges before we come to them (I know that doesn't actually make sense but I just liked the imagery) [snip] Carpe the tuits! If you script it THEY WILL COME! They drew first blood! I'll be back! Friends, Romans, Perl Mongers! etc etc ad infinitum ad nauseam. Having said that I'm currently in no position to write the code to back my polemic up so I should probably shut up. Perhaps we don't need to write code. It may just be a case of downloading and installing the Everything Engine. Anybody got a machine on which to host it?
Perl monger funding (was RE: applying patterns)
On Friday, October 11, 2002 11:59 AM, Barbie [SMTP:[EMAIL PROTECTED]] wrote: From: Nicholas Clark [EMAIL PROTECTED] might be somewhat excessive for our needs (linking to 4 different vendors) but it does have the advantage that it uses an Amazon affiliates code that raises money for the perl mongers (if you buy via Amazon) Might we want to do that, to try to funnel some revenue to the perl mongers? This was recently suggested for Birmingham.pm, but haven't had time to join any. Apparently there are quite a few affiliate programmes around these days, so could be quite useful. Perhaps this is something that can be co-ordinated through pm.org itself, as this may avoid conflicts of interest between regional monger groups. Davorg care to comment?
RE: Straw poll
-Original Message- From: Nicholas Clark [SMTP:[EMAIL PROTECTED]] Sent: Sunday, October 06, 2002 10:54 AM To: [EMAIL PROTECTED] Subject:Straw poll And if a talk introducing the perl debugger were given at a YAPC, how many people would think it worthy of going to? [Ivor] I'm a great fan of debugger systems, and the perl5db in particular. I grew up with the VMS debugger, which is very powerful. When I discovered that Perl had this facility, I used it extensively - instead of adding extra prints and Dumper calls to find out what is happening. In terms of the talk, I would probably not learn anything new (but there again, I might be surprised), but I would be happy to critique and give feedback for the talk if it is given at a london.pm tech meet. Also, how about covering Devel::ptkdb. This is a graphical Tk debugger, and very handy for debugging cgi scripts (just alter the shebang line to add -d:ptkdb. Even works on Windows). Ivor.
Re: dim sum, charing cross road
- Original Message - From: Ivor Williams [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: 02 October 2002 11:02 Subject: RE: dim sum, charing cross road -Original Message- From: Greg McCarroll [SMTP:[EMAIL PROTECTED]] Sent: Wednesday, October 02, 2002 10:55 AM To: London.pm Subject: dim sum, charing cross road does anyone fancy dim sum this thursday? i'm currently working on CCR so it would be rather handy ;-) i'm guessing the time would be 1pm and the location would be the new world, was all the normal rules applying [Ivor] I'm game. I'm on semi free time ATM, so I can take a reasonable lunch break. I will not be dim summing after all. Nor will I be at tonight's pm social as I have a head full of cold and I am phoning in sick to work.
RE: dim sum, charing cross road
-Original Message- From: Greg McCarroll [SMTP:[EMAIL PROTECTED]] Sent: Wednesday, October 02, 2002 10:55 AM To: London.pm Subject:dim sum, charing cross road does anyone fancy dim sum this thursday? i'm currently working on CCR so it would be rather handy ;-) i'm guessing the time would be 1pm and the location would be the new world, was all the normal rules applying [Ivor] I'm game. I'm on semi free time ATM, so I can take a reasonable lunch break.
Buffy fans meet on meetup.com
I know many of you are Buffy fans. check out http://buffy.meetup.com/?localeId=853 FWIW. Ivor.
Re: -tap tap tap-
Yo babe, it rocks dude! - Original Message - From: alex [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: 04 June 2002 13:58 Subject: -tap tap tap- is this thing on?
[humour] How Google rates pages
Check out http://www.google.com/technology/pigeonrank.html
Security hole in Apache + PHP
see http://www.apacheweek.com/issues/02-03-01 May be useful info if any of you are running any PHP. Or may be useful ammunition in the arguments in favour of Perl. Ivor Williams Sopra Mentor Consultant LIFF? Core Systems Development Extn: 2436 Mobile: 07752 234832 --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE Holdings Plc or any of its subsidiary companies. ---
RE: Lightweight template module?
Leo Lapworth [mailto:[EMAIL PROTECTED]] wrote: Personally I think Template Toolkit is easy to install and there is only one other module that you need before it will installl (andy's AppConfig). Ok, it's not small, but then if you ever do want to do more complex stuff it's available. It's easy to install if you happen to be installing it on a Unix box. I have offered to Andy to fix the portability, but this has not happened due to a lack of a circular tuit. Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE Holdings Plc or any of its subsidiary companies. ---
RE: nms article online
Good one Dave! Though I did at first wonder what software I need to download to read a document in linux format. (Dohh!) Then I wondered where the Acrobat zoom control was to correct for the fuzzy text. I'm sure that Acrobat is keeping many opticians in business... or one eyed kings possibly ;-) But I realised that I was looking at a gif and you have OCR'ed the text below (Dohh! again) Still, I've not come across the programming language called Pen before :-) Nice write up though. How much take-up is there so far on NMS? Are there any webcounters on the site? It would be interesting to see if the magazine improves the hit rate. Ivor. -Original Message- From: Dave Cross [mailto:[EMAIL PROTECTED]] Sent: 27 February 2002 16:05 To: [EMAIL PROTECTED]; london.pm Subject: nms article online ***A T T E N T I O N*** This email originates from the Internet and therefore may not be from the apparent sender. If you have any doubts about the origin or content of the email please contact PC Support on x2288. *** [x-posted. careful with those replies] See http://nms-cgi.sourceforge.net/art.html. Dave... -- Drugs are just bad m'kay --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE Holdings Plc or any of its subsidiary companies. ---
RE: Supermarkets [Was: Tea]
Kate L Pugh [mailto:[EMAIL PROTECTED]] wrote I try to shop at local shops rather than supermarkets partly because I used to live somewhere where the local shops were pretty crap and I'm fairly sure that this was because there was a nearby out-of-town supermarket that all the people who could afford to have cars went to shop at. [snip] So I want to support my local shops, because driving to a supermarket is not an option for everybody. This is possibly mainly a matter of principle in Hammersmith -- there is a Sainsbury's Local within easy reach of my house at least, but that seems to sell mostly expensive posh food anyway. Isn't there a Safeways in the mall @ H'smith? In my experience, only 1 1/2 miles up the road at Acton, I find the local shops are always changing hands, and are a complete rip-off with a limited range of useful produce. And the milk is off when I get it home. There is a Safeways and an Iceland (and a Netto but I don't use it) within 15 minutes walk, and I can always get the bus, yes _bus_, to Ealing for a bigger range. Anyway, back to Hammersmith, Brackenbury Village has some interesting shops - not cheap but good wholesome organic stuff. Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE Holdings Plc or any of its subsidiary companies. ---
RE: Tea (was Re: Bolloxia)
Simon Wistow [mailto:[EMAIL PROTECTED]] wrote I *heart* borough market - I just wish I could go there more often. I can't wait for summer again so I can go and then go and sit by the Anchor and look over the river and have a pint and ... But the Anchor is closed for a refurb :-( 'Professor Aleksander said the ethical problem of killing a conscious computer by switching it off would not arise. The machine would not feel threatened by such action. But biology doesn't have persistence or backups. At least not until there is a working cloning machine and braindump facility. A conscious computer would be so different from a conscious living thing, said the professor.' Say he's wrong and that turning off an AI is like killing it or whatever. Is it morally wrong to run it on unstable OSs like Windows, MacOS. troll or Linux /troll Ignoring the troll, that is a problem, doncha think? I think that AI has a long way to go with producing something useable, and we are not in a position to draw conclusions from the state of the technology at present. I'm not knocking AI, just certain systems and research areas that seem to be overhyped. I think that the situation could well change within 5 years let alone 10. The state of technology does not stop us thinking about and discussing the philosophical aspect. Mind u, perhaps we should continue this discussion on ::scr. Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE Holdings Plc or any of its subsidiary companies. ---
RE: select() operates globally?
Jonathan Peterson [mailto:[EMAIL PROTECTED]] wrote
So far as I can see select operates globally across all package
namespaces. Which is annoying.
Thus:
$obj = Class-new;
$obj-some_method(); # Calls a select() within package Class
print wibble;# prints to modified file handle, not
STDOUT!!
Is there some way of making it not do so?
{
local *STDOUT;
$obj-some_method()
}
should do the trick.
Ivor.
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RE: [ANNOUNCE] Tanker 0.01
Simon Wistow [mailto:[EMAIL PROTECTED]] wrote: So you could have IRC+Jabber+Email-Speech if you wanted. I'd quite ike to write a webswerver :) Ever thought of getting the RNIB to sponsor it? Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE Holdings Plc or any of its subsidiary companies. ---
RE: Social meet kick up the arse [Was: Return to the Yorke]
Steve Keay [mailto:[EMAIL PROTECTED]] wrote It is quite a difficult thing to walk into a pub and land in a room full of strange people (people you don't know) who are all engaged in varying levels of intense conversation. I would like to draw on some personal experience - running a successful social club for 20 somethings and 30 somethings that met weekly(we had between 15 and 30 people attending). This is what I was doing 10 years ago. The issue of huddles of strange people forming cliques and in-jokes is an issue that _any_ social organisation has to deal with. We had two solutions: one is to get everyone to own the problem and encourage all members to talk to newbies. The other is to appoint one or more hosts/hostesses to fill this role. The first approach seemed to work better, as the others don't get the feeling it's not my job to talk to people. On the whole, IMO london.pm doesn't do too badly. When I started attending in November last year, I did feel welcome, and I did feel I had something to offer. The first meeting I attended was actually a tech meet. I advocate more speeches involving the whole crowd - even if they're 2 minute efforts along the lines of, Buy a tee shirt. or, Come to the next technical meet. or, Here's our new fearless leader to say a few words about what we're here for. IMO FWIW we don't want to go overboard with speeches. That is what tech meetings are for. However, having an introductory or valedictory speech from Paul sounds like a good idea. One problem with this though, is timing. With social meets, there is an informality that we would potentially lose - we would have to have a start time and stick to it. IMHO those moments give people a sense of, well, all coming together to suffer the same thing and do a great deal for actually meeting people you don't know. How long have you been a Perl hacker? ... I keep trying to resist, but I can't get away from cutting code. ... I tried some OO the other day and it was nice, but I don't touch the hard stuff - XS and all that ;-) On the subject of free booze, might be a good idea as a one off. There is a danger that we could get into arguments about who's going to pay for it. There's also the issue of who counts as a newbie. A suggestion is to pick a special date - N year anniversary - and lay on some champagne for everyone. Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE Holdings Plc or any of its subsidiary companies. ---
Matts scripts discussion hits perlmonks
See http://perlmonks.org/index.pl?lastnode_id=6364node_id=146058 Perpetrator script here is the cookie counter. Ivor Williams Sopra Mentor Consultant LIFFE Core Systems Development Extn: 2436 Mobile: 07752 234832 --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE Holdings Plc or any of its subsidiary companies. ---
RE: Bolloxia
Barbie [mailto:[EMAIL PROTECTED]] wrote From: Simon Wistow [EMAIL PROTECTED] Giving up Marathons wasn't so hard but Opal Fruits was more of a problem. Up until last year I could still ask for a Marathon and the shopkeeper wouldn't bat an eyelid and hand over the correct chocolate bar [1]. Last year was the first time I got Sorry? we don't sell those. Are they new?. [1] It's current name always makes me think of disgusting dog-eared trainers ... eugh! Rumour has it that there is some grafitti on a wall somewhere in Slough near the Mars factory which reads Snickers to you too!. Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE Holdings Plc or any of its subsidiary companies. ---
RE: Bolloxia
Rob Partington [mailto:[EMAIL PROTECTED]] wrote But it's being changed to fit in with a more homogenised global ideal. They're being changed because it's a whole lot easier dealing with one brand name. I read a rationale somewhere about the SuperMop (I think) that pointed out that having one brand over all of Europe meant they could launch the product 6-9 months earlier and at about 50% of the cost. IMO this is snake oil! This is EXACTLY what the likes of Bill Gates want us to think: computers = Intel, operating_system = Windows. Total monopoly and world domination. Mongers stick together. Dare to be different. Insist on quality. Spread information about alternatives. Break monopolies. Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE Holdings Plc or any of its subsidiary companies. ---
RE: User Input at speed
Philip Newton [mailto:[EMAIL PROTECTED]] wrote:
Alt Graphics is correct. This was a reserved for future
use key, that MS pressed into service when the Euro currency
symbol was invented. (AltGr + 4)
It's been in use for years in Germany -- the only way to obtain { [ ] } \
~
| on a standard German computer keyboard. (As well as less common
characters
such as ² ³ µ.)
That must make writing perl quite painful. !-)
I suppose you would get used to it though. AltGr becomes just another shift
key.
And the euro is AltGr+E in most Microsoft layouts IIRC. (It is in the
German
layout.) Ah, right: see
http://www.eu.microsoft.com/typography/faq/faq12.htm#kbd . The only ones
who're different are Greek Latin, Hungarian, Irish, Latvia QWERTY,
Polish, United Kingdom, and US International, probably because they
already had something on AltGr+E.
UK layout has AltGr+E = E acute accent. as does AltGr+vowel
I wonder how to get the other accents on a UK keyboard. I know CharMapper
and ALT+nnn do, but that's cheating. ;-)
Ivor.
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RE: Rindolf
Steve Mynott [mailto:[EMAIL PROTECTED]] wrote: It's fascinating to compare new and old languages and see how things have changed (usually for the better it seems). It's almost like a process of evolution from something dinosaur like BCPL to modern languages like Ruby, Java and Perl 6 via C. There are probably some features in old languages which have been forgotten which could now be useful. A good example is Ruby's call by name parameter passing. Straight from the Algol standard. Intervening descendents of Algol used call by reference, which is nowhere near as powerful. The name is lame as well. I agree. It might appeal if you are a JRR Tolkien fan, but this could become hobbit forming. groan But generally I don't see anything wrong in the idea of doing yet another language and its quite possible the author could come up with some good ideas which could influence Perl 6 so good luck to him. Agreed. Perhaps we should be posting ideas and language features wishlists to him - encouragement rather than criticism. Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE Holdings Plc or any of its subsidiary companies. ---
RE: User Input at speed
Chris Devers [mailto:[EMAIL PROTECTED]] wrote That or our keyboards have no AltGr key. Typical standard bottom row goes: CTRL [WIN] ALT SPACEBAR ALT [[WIN]] [CTXT] CTRL Betcha the second ALT right of the space bar is really an ALTGR. Try this key and 4 inside a MS application like Word. See if this gives you a Euro symbol. Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE Holdings Plc or any of its subsidiary companies. ---
RE: User Input at speed
Philip Newton [mailto:[EMAIL PROTECTED]] wrote Especially since you *will* have to remain familiar with QWERTY as you will have to use keyboards that are not your own at some point (typing on a co-worker's machine; on a computer whose keyboard driver isn't working; at an Internet café; whatever -- it's bound to happen). I quite agree. I have enough difficulty adjusting to the miniature keys on a laptop. At one previous employer, I remember a few supposedly ergonomic keyboards which were QWERTY, but split in the middle into two halves at an angle. I found these keyboards impossible to use. The guys that had adapted to these keyboards soon regretted it, as they were stuck if they had to use anyone else's machine, or if the keyboard ended its useful life. I think that there is a pile of a half dozen of these weird keyboards gathering dust in a cupboard in this company. I am also looking to track down a contrasty PC keyboard - black keys labelled in white, or white keys labelled in black (as opposed to dark brown keys labelled in light brown). Any ideas? Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE Holdings Plc or any of its subsidiary companies. ---
RE: Callbacks in class definition woe
From: Jonathan Peterson [mailto:[EMAIL PROTECTED]] wrote ... In the meantime, does anyonw know why WWW::Robot goes VERY slowly? It seems to take 30-60 seconds between deciding a link is worth following and retrieving the contents of the page. I'm testing on a bog standard apache serving flat files on the local machine, so I've no idea what the hold-up is... Crafting my own LWP retrieval functions operates at the expected high speed It may be worth using DProf or SmallProf to profile your application. Try changing the shebang line: #!/usr/local/bin/perl -d:DProf or #!/usr/local/bin/perl -d:SmallProf This will make the application run MUCH SLOWER, but will be able to tell you where it is spending its time. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
Diversity [was Dan Sugalski calling all mongers groups]
Paul Mison [mailto:[EMAIL PROTECTED]] writes: Random brainfart: is the diversity of Perl communities (use.perl.org, perl.com (to some extent), rhizo #perl, efnet #perl, comp.lang.perl.misc, perlmonks, the multiple PM groups) a strength or a weakness? Do people end up in the right place for them or just the first one they stumble on? I think that the answer to the second question is 'Yes', taking the 'or' as an 'inclusive or'. Most of us have discovered Perl at some stage in our career and found a suitable list (I am using the term list here generically to include mailing lists, discussion groups, IRCs, etc). The list was right (hopefully) at the time for the job required, e.g. CGI scripts. However, subscribing to a list exposes the human to a number of Perl community 'tentacles', and they find themselves subscribing to other lists. If the human is boring, busy or under boss surveilance (3 b's), they will probably just stay on the original list. But these are not the people who contribute directly to the community, they are the audience for the perl quality crusade. If the list is of poor quality, when the tentacle crosses the list, it is the duty of conscientious perl mon(ger|k)s to rectify the situation (nice work with CGI101, Dave! :-)). Watch the Principle of Emergence, or Process of Evolution in action! If we lose a few lists through lack of interest, this will not harm the community, but will focus people on the extant active lists. There is no need for executive action to terminate or merge active lists - besides, this goes against the grain as we are a bottom-up community. A general lack of interest in all the Perl lists would indicate that the language is dead, and we are all programming in something else, such as Perlby-Jython++. :-) Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
Low budget applications
Just a thought... Thinking about Perl usage in the M25 radius area, I wonder how much takeup there is at the low budget end of the spectrum, in particular: Education Health Charities These seem to me to be ideal markets for Perl to become established in, where the advantages of open source software over commercial packages could be realised to the full. It would be encouraging to see some _application_ code in these areas appearing on CPAN. Any perlmongers working in this area? I was once a sysadmin in a hospital IT department - long before I knew perl. Perl would have been very useful for many aspects of this job. Ivor Williams Sopra Mentor Consultant LIFFE Core Systems Development Extn: 2436 Mobile: 07752 234832 --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
RE: Callbacks in class definition woe
Jonathan Peterson [mailto:[EMAIL PROTECTED]] wrote:
$self-{rb}-addHook('invoke-on-contents',
\$self-invoke_on_contents);
I get
WWW::Robot: SCALAR(0x526e3c) is not a function reference; Ignoring it
And if I try
$self-{rb}-addHook('invoke-on-contents',
\{$self-invoke_on_contents});
You need a wrapper for your object method. addHook is expecting a code ref,
but does not know anything about the first (implied) argument, i.e. the
object reference.
I suggest
$self-{rb}-addHook('invoke-on-contents',
sub {my $foo = $self; $foo-invoke_on_contents});
The intermediary $foo makes the anonymous sub into a closure.
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RE: vim+hardlinks
Redvers Davies [mailto:[EMAIL PROTECTED]] wrote I'm doing some rudimentary source management with cp -al foo foo-hck and expecting that when I edit foo-hck/bar.pm that it'll do what emacs does, write a new file called bar.pm in foo-hck, but instead it doesn't disturb the hardlink at all and so modifies the pristine version of the file too. Yes I know the simplest answer is to use emacs because it's sane, but I would have thought that the behaviour you describe would be considered insane. You set a hard link for a reason - that reason being that when you read and write to any of those files they all point to the same area of disk and therefor all change. You are effectivly asking the editor to ignore the policy descision you made already. I beg to differ. I have had exposure to a number of O/S platforms and editors, and the behaviour you are implying is quirky to say the least. The alternative behaviour of creating a new file, not overwriting the one that was linked to is more what is expected. Consider what the editor is doing. It has been asked to write out its editing buffer to a file (which may or may not exist). Frankly, the behaviour of only clobber the file if there are no other links to it seems correct. The fact that SOMEONE ELSE may kave linked to that file, means that they are interested in the contents of the file now, not after I have frobbed it with my new version. If the other person wanted always the latest version of my file, s/he should use a symbolic link instead. That's what symbolic links are for! There is a perl analogy: $a = foo; $b = $a; $a = bar; print $b; # prints foo #=== $a = foo; *b = *a; $a = bar; print $b; # prints bar Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
[OT] 3 light bulbs problem
Time for one of those lateral thinking problems. Imagine you have a cellar in which there are 3 light bulbs on different circuits. The light switches are all at ground level, at the top of the staircase, and it is not possible to see from here, which light(s) are on. Using just one journey downstairs, determine which switch controls which bulb. You do not need any equipment other than your hands and eyes to solve this. If you want to verify a solution without giving it away to others, please mail me off list. Ivor Williams Sopra Mentor Consultant LIFFE Core Systems Development Extn: 2436 Mobile: 07752 234832 --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
RE: [OT] 3 light bulbs problem
Greg McCarroll [mailto:[EMAIL PROTECTED]] wrote: *SPOILERS* . . . you turn them all off for a while, have a cold beer and relax, then turn one on till you reckon its mad hot and turn another on and run down as fast as you can and touch the two lit bulbs, hopefully the one thats been on for a while is going to fry your hand as near as dammit. Actually, it's easier to test the temperature when the bulbs are off. The solution I have is as follows: Switch on A and B (C is off). Wait 5 minutes. Switch off B. Go downstairs. A bulb is on. B bulb is off and hot. C bulb is off and cold. Ivor. No more mail please on this off list! --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
Save the Camel campaign [was bad nasty evil thread]
Dave Cross [mailto:[EMAIL PROTECTED]] wrote: ... But not only is Perl perceived as being that web language, it's perceived as being that out of date web language. So. What are we going to do about it apart from slagging off Matt wright? Picking up on some points from Dave's talk last night, I have a few suggestions: 1. When educating colleagues, pick on the sysadmins. They are a good receptive audience for the perl quality argument, especially as it is their machines that potentially get cracked. Are there any good Perl books in this line? 2. Can we improve on perl's innate ability to detect bad code (use strict; taint, perl -w etc.)? 3. How about an exam with a qualification. The Perl Community could define its own without relying on vendors with alterior motives. Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
Implementing continuations in perl
Just wondering about some more magical pieces of the jigsaw. Is there a way of getting a coderef for where you are inside caller? Is there also a way of tricking the call stack into making it look as if you have come from there? Also, is there a way of generating extra stack frames including their lexical variable space (i.e. reverse PadWalker)? If the answer to all 3 is Yes, then I can see a way of doing continuations in perl. How I imagine continuations happening is as follows: All function calls are LexWrapped into a piece of code which does the following: * Create a stack object * Probe and save in stack object all the lexicals of caller using PadWalker * Save the return address in the stack object * Put in a back link to the previously called stack object (may need global _head and _tail variables in the stack package's namespace) * go to the original function Execution continues as normal, but catching each function call and creating stack objects. Now, some code invokes the create_continuation method, which, as it is a call, has created a new stack object for its caller. The method returns said stack object. At some later point, the continuation is invoked. The call stack is now faked to look as if all the intervening functions were called, with their lexical variable spaces, and the code returns to this point. Whaddya think? Ivor Williams Sopra Mentor Consultant LIFFE Core Systems Development Extn: 2436 Mobile: 07752 234832 --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
[OT] Exam Question
Thought this might amuse the Perl mongers. :- I. Subject: EXAM QUESTION The following is an actual question given on a University of Washington engineering mid term exam.The answer was so profound that the Professor shared it with colleagues, which is why we now have the pleasure of enjoying it as well. Bonus Question: Is Hell exothermic (gives off heat) or Endothermic (absorbs heat)? Most of the students wrote Proofs of their beliefs using Boyle's Law, (gas cools off when it expands and heats up when it is compressed) or some variant. One student, however, wrote the following: First, we need to know how the mass of Hell is changing in time. So we need to know the rate that souls are moving into Hell and the rate they are leaving. I think that we can safely assume that once a soul gets to Hell, it will not leave. Therefore, no souls are leaving. As for how many souls are entering Hell, let's look at the different religions that exist in the world today. Some of these religions state that if you are not a member of their religion, you will go to Hell. Since there are more than one of these religions and since people do not belong to more than one religion, we can project that all souls go to Hell. With birth and death rates as they are, we can expect the number of souls in Hell to increase exponentially. Now, we look at the rate of change of the volume in Hell because Boyle's Law states that in order for the temperature and pressure in Hell to stay the same, the volume of Hell has to expand as souls are added. This gives two possibilities: 1. If Hell is expanding at a slower rate than the rate at which souls enter Hell, then the temperature and pressure in Hell will increase until all Hell breaks loose. 2. Of course, if Hell is expanding at a rate faster than the increase of souls in Hell, then the temperature and pressure will drop until Hell freezes over. So which is it? If we accept the postulate given to me by Teresa Banyan during my Freshman year, ...that it will be a cold day in Hell before I sleep with you. and take into account the fact that I still have not succeeded in having sexual relations with her, then, #2 cannot be true, and thus I am sure that Hell is exothermic and will not freeze. This student received the only A. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
RE: Erm, Hello?
Jonathan Peterson [mailto:[EMAIL PROTECTED]] wrote what? .. with *4* spaces ?? come come mr McCarroll, we all know it is 2 spaces ... :) Spaces? SPACES?!!! It's called a tab, Tee Ay Bee. Code is indented with TABs, not spaces. Only bad bad people use spaces to indent. ... or bad editors or IDEs that zap tabs on the way in/out. ... or even crappier terminal emulators that don't understand tab stops. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
RE: Erm, Hello?
Chris Benson [mailto:[EMAIL PROTECTED]] wrote Been quiet all day tho' ... I was wondering if Penderel were poorly: obviously not. As a matter of interest, whom do we tell if Penderel, hence london.pm.org does go off the air? Who has keys to buildings and/or root or sysadmin passwords? This has happened a few times recently. Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
RE: Erm, Hello?
Chris Devers [mailto:[EMAIL PROTECTED]] wrote: ...a job, actually. I just accepted a contract as a Python coder! :) Does Python have any advantages over Perl? I have noticed that although Python is more obscure, it seems to have more commercial take-up in certain places. My present client are using it for test scripts. Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
RE: Of meetings technical and social
Dave Cross [mailto:[EMAIL PROTECTED]] wrote Codix is explained at http://london.pm.org/meetings/locations/codix.html There is no link to this page! Cittie of Yorke is on the same road as Penderels. A bit to the east (towards Chancery Lane tube) and on the other side of the road. We'll be in the cellar bar I think. Any chance the website meetings page could be updated, adding entries for Codix and the Cittie of York. Who looks after the website? Is it still Leo? Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
RE: Threads availability and support
Nicholas Clark [mailto:[EMAIL PROTECTED]] wrote on 15 January 2002 21:42: I believe that ithreads were experimental in 5.6 (in that there was no perl level interface to make a thread, but the underlying ithreads mechanism is what is used to fake fork() on Windows) Fake fork() sounds useful for getting round the nasty NT nested scripts problem (which a couple of years ago stopped me installing Perl directly on an NT box - I used a Win95 workstation to do the install, putting the files on a shared drive). Does this enable perl system() and backticks to work properly on NT? Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
Threads availability and support
Hi there, Anyone know what stage the threads work is at? CPAN lists perl threads as a big project, and I gather that some _experimental_ stuff went into 5.6.1. Anyone know what date and/or release this is targetted towards? Ivor Williams Sopra Mentor Consultant LIFFE Core Systems Development Extn: 2436 Mobile: 07752 234832 --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
RE: Year 2K2 problem
* at 15/01 11:58 + robin szemeti said: A 7-Page Interpretive Report created for your unique type. Simple to take 93-question test online in the privacy of your home or office. Results typically within 48 hours. Report in Adobe .pdf format. Anybody curious enough might like to try the Enneagram test based on 9 personality types. Try http://www.duniho.com/fergus/enneagram/test/ for a test with 28 questions in a proper web app that gives you instant results. Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
RE: (void) OSCON
-Original Message- From: Nicholas Clark [mailto:[EMAIL PROTECTED]] Sent: 14 January 2002 16:46 To: [EMAIL PROTECTED] Subject: Re: (void) OSCON On Sat, Jan 12, 2002 at 12:11:11PM +, robin szemeti wrote: On Friday 11 January 2002 19:14, David H. Adler wrote: Hey! The east coast is *still* waiting, you know... :-) I'd like to second DHA's sentiments .. somewhere on the east coast would be an ideal location for OSCON. Skegness would be nice, or Bridlington. Grimsby has possibilities too but tends to smell of fish. Lowestoft! You can't get much more east than that without getting wet Looks like we've got a Mornington Crescent super extended version (ease coast variant) rolling. Great Yarmouth. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
Patterns in Perl : decorator model
Nigel
I have been looking at the decorator model, and I would do it differently.
Instead of using inheritance, I would use AUTOLOAD to implement
quasi-inheritance. The relation is Emulates rather than ISA. Does your
design model have to be language independent, or can we use perl specific
stuff like AUTOLOAD?
Attached is an example (factor.pl, bignum.pm, strnum.pm) of this
quasi-inheritance. As an exercise and alternative to Math::BigInt, I wanted
a quickly implementable representation for arbitrarily large positive
integers. I knocked this up first as strnum (objects are digit strings), but
wanted something more fast and juicy: bignum (objects are arrays of ints),
which required more human programming effort.
Having strnum available first meant that I could prototype all the methods
needed for a bignum object, and code them one by one, while having a working
application at all stages. This is called the evo methodology. bignum has an
AUTOLOAD method which makes a strnum object, calls the corresponding method
and unwraps the return value if this is an object reference.
There are a few assumptions here, but it would be possible to do something
more generic, particularly for methods which pass and return different
object of different classes, but you get the idea.
Coming back to your decorator model. I suggest implementing your debug
class as follows. This is generic and can be used with any classes, and
copes with arbitrarily complex arguments and return values.
#---
# calling code (all you need to do for each class)
package foo::Debug;
use MethodTracer;
@ISA = qw(MethodTracer);
.
.
$fred = new foo:Debug(@blah); # was new foo(@blah)
foo:Debug-debug(1) # Turn on debugging of foo objects
#---
MethodTracer.pm
# This is called via inheritance to construct an object
# of class blah::blah::Debug. This assumes that the real
# class is called blah::blah
package MethodTracer;
use Data::Dumper;
sub new
{
my ($pkg) = @_;
$pkg =~ /\:\:\w+$/;
my $underly = $`;
$underly::new(@_); # relies on constructor respecting package
param
}
sub debug # get and set debug at a class level
{
my $pkg = shift;
@_ ? (${$pkg}::_debug = shift) : ${$pkg}::_debug;
}
sub DESTROY
{
1; # to stop AUTOLOAD being called
}
sub AUTOLOAD
{
my ($self,@args) = @_;
my $method = $AUTOLOAD;
$method =~ s/\:\:Debug//;
my $pkg = ref $self;
print called $method. Parameters:,Dumper(@args) if
${$pkg}::_debug;
if (wantarray)
{
my @rv = $method(@_);
print Return from $method. List context,
values:,Dumper(@rv)
if ${$pkg}::_debug;
@rv;
} else
my $rv = $method(@_);
print Return from $method. Scalar context,
returned:,Dumper($rv)
if ${$pkg}::_debug;
$rv;
}
}
1;
#--
I intend to go to tonight's meeting.
C U There.
Ivor.
-Original Message-
From: Nigel Wetters [mailto:[EMAIL PROTECTED]]
Sent: 08 January 2002 17:12
To: [EMAIL PROTECTED]
Subject: Patterns in Perl reminder
Study group starts tomorrow. For details, see
http://london.pm.org/pipermail/london.pm/2002-January/007171.html
_
Chat with friends online, try MSN Messenger: http://messenger.msn.com
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bignum.pm
Description: Binary data
factor.pl
Description: Binary data
strnum.pm
Description: Binary data
RE: Co-lo, was Re: London.pm List Weekly Summary 2001-12-31
Tom Hukins [mailto:[EMAIL PROTECTED]] wrote: That's fine if you're working with a typical filesystem, but what if you're working with database tables? I'd normally dump the tables to a file and backup the dump. However, I guess you'd end up rsyncing the whole database if you did this. I guess you could archive transaction logs, but for a frequently changing database the logs will get quite large. Any alternatives? The database vendor will provide tools to sync and backup databases. Depending on the level of sophistication required, this can be done by offlining a mirror copy of the database - needed for 24x7 availability if this is a requirement. The database usually also provides open transaction recovery journalling, and after image journalling. The former permits the database to be rolled back to a consistent state in the event of a system failure, and the latter allows replay of transactions from a sync point (a backup snapshot). Don't know if this helps. I suggest looking on the DB vendor's website for more technical info. Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
Compiling strings into code refs
I've got an interesting issue with code refs. These are often used for callbacks, many standard methods expect them as code refs, often retaining internal values as closures: there are many examples in IO::Socket, Tk etc. I want to be able to generate callbacks on the fly from code which is in strings. Normally, with on-the-fly code, you just eval it to get what you want. Here, I don't want to run it, but to generate an anonymous code ref. What would be handy is a compile verb a bit like eval. This would compile it in the inline context of where compile was called (allowing closures, etc.), and return a code ref. Any thoughts? Ivor Williams Sopra Mentor Consultant LIFFE Core Systems Development Tel:+44 (0)20 7379 2436 Mobile: +44(0)7752 234832 --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
RE: Compiling strings into code refs
Richard Clamp [EMAIL PROTECTED] wrote:
eval sub { $some_code }
This is missing the point, as eval runs it now, I want to run it later.
my $foo = new Object::foo;
my $grunge = sub {
print Performing grunge;
}
$foo-method({
action=$grunge});
This is the normal hardcoded way of doing a callback, the message
performing grunge only appears when the foo class decides to do so.
What I want is for the code for $grunge to be read from a persistent store
or a .pl file and passed to my foo object. Below is what it would be if the
compile verb existed.
my $foo = new Object::foo;
my @input = (SRC);
my $grunge = compile(join '',@input);
# $grunge is now a CODE ref.
$foo-method({
action=$grunge});
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RE: Compiling strings into code refs
of course eval sub... will do it. Dohh! Sorry guys. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
RE: Mod_perl
Andy williams wrote: I just spoke to the agent, and he claims that the company are being really insistent on the experience I don't think they are paying too much either... Oh and his email address appears to be wrong :) A case of www.avatingpork.com methinks Ivor. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
RE: Academics / Real World
Interesting... My conclusions from reading the write up are slightly different, in that this is highlighting a culture clash, between academics and the Perl community. Do we have any representative in the academic world who are eloquent speakers? I have a lot of respect for Dan Sugalski, as he is technically brilliant and very helpful - a shame the audience was not impressed. I see myself more as a bridgehead between the Perl community and the commercial world. I _love_ open source software, but it is difficult persuading colleagues and clients of the benefits. This is a different battle - I digress. Incidentally, regarding closures and iterators, Jensen invented a construct (Jensen's Device) in Algol-60 which implemented iterators using Algol's 'call by name' parameter passing mechanism to the full. This allowed polymorphism before the term had been coined, and before the terms 'object orientation' and 'abstract data type' has also been coined. To summarise, I think everyone can benefit by being receptive to others' ideas. If the academics or Perlsters are closing their minds to other communities, they will miss the good ideas. Ivor. -Original Message- From: Leon Brocard [mailto:[EMAIL PROTECTED]] Sent: 03 January 2002 10:43 To: [EMAIL PROTECTED] Subject: Academics / Real World The following is a write up of the Little Languages Workshop that Simon and Dan went to. At the time, they told us it got a little flamey. This supports the fact: http://www.ddj.com/documents/s=2287/ddj0202a/0202a.htm So, is Perl part of the Worse is Better crowd? Why did the academics think that we hadn't done our research? Why can't academics actually do something to help the real world rather than play with toy languages that nobody actually uses? Leon ps glad to be back -- Leon Brocard.http://www.astray.com/ Nanoware...http://www.nanoware.org/ ... We all live in a yellow subroutine. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
RE: Academics / Real World
* robin szemeti ([EMAIL PROTECTED]) wrote: bah! .. surely you are having a joke? .. Arc got a very warm response it seems .. a new dialect of Lisp for the web .. how .. err .. useful. A new dialect of lisp .. I ask you ... Ha! You won't be so smug when we are all running super fast lisp machines, ha! Then you need the all embracketing perl-to-lisp source code scrunger. Then everyone is happy. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
RE: Dual boot
-Original Message- From: Dave Thorn [mailto:[EMAIL PROTECTED]] Sent: 21 December 2001 10:45 To: [EMAIL PROTECTED] Subject: Re: Dual boot On Fri, Dec 21, 2001 at 10:34:17AM -, Ivor Williams wrote: This uses a 16 bit mask: (System:RWED,Owner:RWED,Group:RWED,World:RWED) RWED bits are Read, Write, Execute and Delete. so if you have Write but not Delete you can truncate the file and get much the same effect? Correct. You can nobble a file completely, but not remove its directory entry. --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
perl acronym
Hi there, Just curious, what does perl actually stand for, or is it not an acronym? I have come across an anecdotal reference to Pathologically Eclectic Rubbish Lister, but this sounds like a miss quote from Red Dwarf, as in: Rimmer:- Don't give me that pathologically eclectic rubbish, Lister! Ivor Williams Sopra Mentor Consultant LIFFE Core Systems Development Tel:+44 (0)20 7379 2436 Mobile: +44(0)7752 234832 --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
RE: Christmas Lectures, Channel 4 (fwd)
On the subject of genetics, Channel 4 are showing the film GATTACA at 10:35 tonight. I can recommend this film, and my VCR will be pressed into service. Ivor. -Original Message- From: Lucy McWilliam [mailto:[EMAIL PROTECTED]] Sent: 18 December 2001 10:08 To: [EMAIL PROTECTED] Subject: Christmas Lectures, Channel 4 (fwd) If you want to understand this genetics lark, then watch the Royal Institute Christmas lectures on Channel 4, given by John Sulston (former Director of the Sanger Centre). Original Message You might know that John Sulston is presenting the Royal Institution Christmas Lectures this year (programme 1 was recorded yesterday). The series of five programmes will be broadcast on Channel 4 between Christmas and New Year. There is a day-time version and a late rebroadcast for insomniacs and those back from a long night out ... These are intended to be understood by everyone, so the effects of Christmas drinks shouldn't be a problem for any of us. John's lectures go from 'What is Life?' through sequencing and analysis to implications and the future of genetics. December 26 11:30 27 12:00 28 12:00 29 12:00 30 12:30 The programmes are 1 hour long. Repeats: December 31 03:55 January 3 04:00 January 4 04:00 January 5 03:00 January 5 03:55 Note that the last two are *both* on January 5th, one after the other. Royal Institution Lecture pages: http://www.ri.ac.uk/Christmas/ Channel 4 will also have a website up with interactive stuff ... end forwarded message - --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
RE: weird regexness
Yep, definitely wierd!
I have made a mod to the program to clarify.
#!/usr/local/bin/perl -w
use strict;
use warnings;
my $a = wibble mmnipm;
if ($a =~ mmnipm) {
print match '$'\n;
} else {
print no match\n;
}
This shows that it is definitely matching on mmnipm not nip.
I'm running perl 5.6.1 by the way.
Ivor.
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: 06 December 2001 10:31
To: Ivor Williams
Subject: Re: weird regexness
On Thu, Dec 06, 2001 at 10:23:22AM -, Ivor Williams wrote:
Michael,
$a ~= mmnipm;
The first m is 'match' and is using the letter m as a delimiter.
equivalent to
$a =~ /nip/;
or
$a =~ m(nip);
This is syntactically valid. Why should this give a warning?
Because it doesn't do what you say it does :)
Michael
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RE: Old ten pound note
One shilling = 5p One ten bob note = 50p -Original Message- From: David Cantrell [mailto:[EMAIL PROTECTED]] Sent: 20 November 2001 16:35 To: [EMAIL PROTECTED] Subject: Re: Old ten pound note Quoting [EMAIL PROTECTED] ([EMAIL PROTECTED]): In particular, the Bank will pay out the face value of any genuine Bank of England note no matter how old. I wonder how they would pay out on a note denominated in shillings? -- David Cantrell | [EMAIL PROTECTED] | http://www.cantrell.org.uk/david Some people, when confronted with a problem, think ``I know, I'll use regular expressions.'' Now they have two problems.-- jwz --- The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of LIFFE (Holdings) Plc or any of its subsidiary companies. ---
