blackd77 wrote:
Hello. I want to add sequential numbers to a file, one number per
line, at the end of each line. The files have a .csv format. So, I'd
like to add ,1 to the first line, ,2 to the second line, and so on
(without the quotation marks of course). I have not started building
the code,
John W. Krahn wrote:
blackd77 wrote:
Hello. I want to add sequential numbers to a file, one number per
line, at the end of each line. The files have a .csv format. So, I'd
like to add ,1 to the first line, ,2 to the second line, and so on
(without the quotation marks of course). I have
emenzhaow...@gmail.com wrote:
looks like you missed the closing brace of sub.
Incorrect. It is there.
John
--
Those people who think they know everything are a great
annoyance to those of us who do.-- Isaac Asimov
--
To unsubscribe, e-mail: beginners-unsubscr...@perl.org
For
John W. Krahn wrote:
mobile.parmeni...@gmail.com wrote:
I'm new to perl. The following code is wrong., and I can not spot
it. Any suggestion? Thx.
#!/usr/bin/perl -w
#!/usr/bin/perl
use warnings;
use strict;
init_words ();
init_words();
my %word;
sub init_words{
while
M.Lewis wrote:
I have a need to manipulate some filenames. The files are all in a
single directory. They are currently named in the form:
01012003-Rattler.tar.gz
01162003-Rattler.tar.gz
01312003-Rattler.tar.gz
02152003-Rattler.tar.gz
These are backup files from a machine. What I will
mobile.parmeni...@gmail.com wrote:
Hi,
Hello,
I'm new to perl. The following code is wrong., and I can not spot
it. Any suggestion? Thx.
#!/usr/bin/perl -w
#!/usr/bin/perl
use warnings;
use strict;
init_words ();
init_words();
my %word;
sub init_words{
while (
Charlie Farinella wrote:
On Wednesday 24 December 2008, Mr. Shawn H. Corey wrote:
On Wed, 2008-12-24 at 13:16 -0500, Charlie Farinella wrote:
I need to read in a file of 200 lines and print each out to a separate
file.
I've been stumbling with this, but I don't know how to name each
outfile
Richard wrote:
what's wrong w/ this ?
I used (dot) . to indicate the maximum length of each element in the
print but last one does not print out in alinged format..
What am i missing?
use warnings;
use strict;
my $yabal = 'truncated';
my $never = 'sai';
my $noway = 'han1';
my %never = qw(hi
Chas. Owens wrote:
On Tue, Dec 23, 2008 at 13:12, Steve Pittman spitt...@jhmi.edu wrote:
Does any one have a good example?
snip
That depends on what you want to do. There are five common ways of
executing external programs (including shell scripts):
1. the system function*
2. the qx//
Eric Krause wrote:
Hello all,
Hello,
I have two quick questions that I would love some help on. I have looked
at the manual (Programming Perl) and I didn't get it, hence my email.
Question 1 - How can I make variables in a function (subroutine) global
(accessible from other functions)?
Christopher Yee Mon wrote:
I have an array of strings whose members consist of a number followed by
a comma followed by a text string
e.g.
1,fresh
2,testurl
I want to sort by descending numerical order according to the number
part so I made this sort subroutine
sub by_counter_field {
Brian Tillman wrote:
I'm probably missing something, but what's wrong with?:
sort {$b = $a} @array;
Nothing, unless you have, as you really should, warnings enabled:
$ perl -le'
use warnings;
my @array = ( 1,fresh, 2,testurl );
@array = sort { $b = $a } @array;
print for @array;
'
Argument
John W. Krahn wrote:
PekinSOFT wrote:
John W. Krahn wrote:
pekins...@gmail.com wrote:
I enter the string 'hiyall2008' in the password field and get the
following values in my logon script...
Click 1: hiyall2008153639492
Click 2: hiyall2008135813700
Click 3
Alexei A. Frounze wrote:
Here's a sample program to show the problems I'm having with regexps:
my $s = a\tb;
$s contains a three character string, the 'a' character, the TAB
character and the 'b' character.
my $m1 = \t;
$m1 contains a single TAB character.
my $m2 = \\t; # both \t and
Chas. Owens wrote:
On Sun, Dec 14, 2008 at 11:41, Mr. Shawn H. Corey shawnhco...@magma.ca wrote:
snip
open my $fh, '', $file or die cannot open $file: $!\n;
snip
Completely off topic, but I dislike the error messages that say
cannot. Cannot implies that the problem exists currently and can
explor wrote:
Hi Gurus,
Hello,
I am new to perl and need some help to learn regex in perl. From the
below line i need to extract following:
Part I
1) $ENVFROM = dapi...@testhost.com
2) $ENVTO1 = te...@etc.com
3) $ENVTO2 = te...@etc.com
4) $ENVTO3 = samt...@abc.com
line=EnvFrom:
Richard wrote:
John W. Krahn wrote:
You want something more like this:
sub counter {
my $count;
my $clear = `clear`;
my $counting = 'EOF';
%s
| Counting...|
| %2d
Richard wrote:
wanted to draw a box that's counting up for certain time.
Thought I could use the counter but it just displays the box not the
number..
can anyone point it out for me?
thank you.
use warnings;
use strict;
sub counter {
my $count;
my $counting = EOF;
PekinSOFT wrote:
John W. Krahn wrote:
pekins...@gmail.com wrote:
I enter the string 'hiyall2008' in the password field and get the
following values in my logon script...
Click 1: hiyall2008153639492
Click 2: hiyall2008135813700
Click 3: hiyall2008152312388
et cetera
ben perl wrote:
Hi
Hello,
I am trying to push values in array to what ever matched in a regular
expression.
For example
$string = something22 322 abc;
$string =~ /(\d+)\s(\d+)(abc)/;
This should create an array like with elements as (22, 322,abc).
my @array = $string =~
monnappa appaiah wrote:
Hi all,
Hello,
i have this regex
[\x3c][i][m][a][g][e]\x20[s][r][c][=][h][t][t][p][:]\x2f\x2f[\x26][#]114[;][\x26][#]2570[;][\x26][#]114[;][.][b][o][o][k][.][c][o][m]
when i tried to put it into human readable form this i got this
image
monnappa appaiah wrote:
Thanks a lot for your quick respone, but can u please tell me how
did u know that #114 is 'r' and #2570; is 'GURMUKHI LETTER UU'.. i wud
like to know bcoz i wud be dealing with these kind of regex often so it wud
be helpful to understand?
It might also help if you
[EMAIL PROTECTED] wrote:
Hey All,
Hello,
I'm new to doing CGI with Perl and so am a little lost here.
I'm working on a web-accessible database system for a (rather large)
group of area churches and went through the rigmarole of assessing
various programming and scripting languages to see
sanju.shah wrote:
I am looking for some suggestions on any advanced functions Perl might
have that i might be missing.
Basically, I have an array with column widths. Next I have a string. I
would like to extract the number of characters based on the column-
widths in the array. I have already
David Shere wrote:
Hello.
Hello,
I'm not a new perl programmer, but I feel like one today. I
want to pull the last octet off of an IP address and print it to
standard output. I have this so far:
@octets = split(/\./, $ipAddress);
print pop(@octets);
Which works great. I have no
Mr. Shawn H. Corey wrote:
On Wed, 2008-12-10 at 03:04 +, Rob Dixon wrote:
Mr. Shawn H. Corey wrote:
print '', (split( /\./, $ipAddress ))[-1];
Ugly, ugly, ugly.
OK, try:
print substr($ipAddress,rindex($ipAddress,'.')+1);
$ perl -le'
my $ipAddress = 23.34.45.56;
print $ipAddress =~
Mr. Shawn H. Corey wrote:
On Wed, 2008-12-10 at 03:04 +, Rob Dixon wrote:
Mr. Shawn H. Corey wrote:
print '', (split( /\./, $ipAddress ))[-1];
Ugly, ugly, ugly.
OK, try:
print substr($ipAddress,rindex($ipAddress,'.')+1);
$ perl -le'
use Socket;
my $ipAddress = 23.34.45.56;
print
[EMAIL PROTECTED] wrote:
I am working on a script to help find malicious traffic that takes the
supplied ip and port from the user, does a number of checks (reverse
dns, whois, banner grabbing, amap and nmap service fingerprinting), and
then prints the results to a file. My intent is to
' is output from nmap:
sub nmap {
if ( grep /\birc\b/, qx/nmap -sV -P0 -T4 -p $port $ip/ ) {
irc();
}
}
On Dec 3, 2008 7:53pm, John W. Krahn [EMAIL PROTECTED] wrote:
[EMAIL PROTECTED] wrote:
I am working on a script to help find malicious traffic that takes the
supplied
James Moser wrote:
On Dec 2, 2008, at 5:48 AM, Koti wrote:
I have a directory named X which has many sub directories
Y,Z,W and many files about 20 , and these sub directories also
contain some more sub directories and files in them and those sub
directories also contain more directories and
dippa wrote:
basic perl problem which is annoying me, the code is:
---
#!/usr/bin/perl -w
use strict;
my $string;
my $subString;
my @indexes;
print Enter a string:\n;
chomp($string = STDIN);
print \nEnter substring to search for:\n;
chomp($subString = STDIN);
## This while loop does what
David wrote:
Thank you to all who helped me get a 6 digit date into perl. I certainly
heed warnings about not using outside system calls in perl however, I
have to make an outside call again.
#!/usr/bin/perl -w
use strict;
my $fileName = 081201 diskSpace.txt;
my $fileLoc =
blake askew wrote:
I am new to perl and attempting to write a script that will do a reverse dns
lookup on an ip, store this result into a file, then read the file in order
to do a whois lookup. The whois lookup answer should also be written to a
seperate file. I have the reverse dns lookup
slow_leaner wrote:
Hello all,
Hello,
what am i missing!!!
#!/usr/bin/perl -w
@array_number =STDIN;
@new_array = half( @array_number );
print @new_array\n;
sub half {
@numbers = @_;
while (@numbers){
That is short for:
while ( defined( $_ = glob join $, @numbers ) ) {
David wrote:
I am trying to get 081129 into $dayStamp.
#!/usr/bin/perl -w
use strict;
my $dayStamp;
$dayStamp = `date +\'%y%m%d\'` die Failure!;
You have three problems with that statement:
1) The '=' operator has higher precedence than the '' operator so you
need to either enclose the
Yimin Rong wrote:
wget -q -O - http://random.org/integers/?
num=8min=33max=126col=8base=16format=plainrnd=new | perl -ne
'foreach (split(/\t/, $_)) {print chr(hex($_));} print \n'
You can simplify the perl part to:
perl -lane'print map chr hex, @F'
Or just using perl:
perl -MLWP::Simple
Chas. Owens wrote:
On Fri, Nov 28, 2008 at 10:28, John W. Krahn [EMAIL PROTECTED] wrote:
snip
perl -le'@chars = 33 .. 126; print map chr $chars[ rand @chars ], 1 .. 8'
snip
Perl Golf time:
perl -le'print map chr+(33..126)[rand 94],1..8'
$ perl -le'print map chr+(33..126)[rand 94],1..8
Cathy wrote:
my $lines = 0;
my $current_line = 0;
my $percentage;
my $percentage_new;
open(my $FILE, , @ARGV[0]) or die Can't open log file: $!;
while (sysread $FILE, $buffer, 4096) {
$lines += ($buffer =~ tr/\n//);
}
print $lines lines\n;
close $FILE or die $in: $!;
open(my
Harry Putnam wrote:
John W. Krahn [EMAIL PROTECTED] writes:
Harry Putnam wrote:
my ($rgx,$use,@finddir);
$use = shift @_;
$rgx = qr/(^|:)$use /;
You are using capturing parentheses but you never use the string thus
captured so you may want to use non-capturing parentheses
sanket vaidya wrote:
Hi all,
Hello,
Kindly look at the code below:
my ($bi, $bn, @bchrs);
$bi starts out at 0.
my $boundry = ;
foreach $bn (48..57,65..90,97..122) {
$bchrs[$bi++] = chr($bn);
$bchrs[ 0 ] is assigned a value and then $bi is incremented to 1.
print
loody wrote:
Dear all:
Hello,
I try to use perl to compare 2 binary files, one is display content
dump from Dram and another is display content calculated by my c-model
code.
I use open and binmode to open these 2 files, and use programs as
below to do the comparison:
Andrew wrote:
I am tying to expand some camel case with spaces - but I want multiple
captitals to remain as one word. So
I want PerlNotesOnXML - Perl Notes On XML
My attempt is to use [A-Z]+ in a lookahead.
my $text = PerlNotesOnXML ;
$text =~ s/(?=[A-Z]+)/ /gx ;
print $text ;
I think
Mr. Shawn H. Corey wrote:
On Sun, 2008-11-23 at 15:52 +0800, loody wrote:
The prototype of read is
read FILEHANDLE,SCALAR,LENGTH
ex:
read PATTERN, $line, 1920;
that means the $line will content 1920 bytes.
It means it will attempt to read 1920 bytes. The actual number of bytes
read is
loody wrote:
2008/11/23 Chas. Owens [EMAIL PROTECTED]:
On Nov 23, 2008, at 2:52, loody [EMAIL PROTECTED] wrote:
The prototype of read is
read FILEHANDLE,SCALAR,LENGTH
ex:
read PATTERN, $line, 1920;
that means the $line will content 1920 bytes.
if I want to modify the byte offset 720 of
Mr. Shawn H. Corey wrote:
On Sun, 2008-11-23 at 05:34 -0800, John W. Krahn wrote:
You shouldn't do something with $line if $bytes_read is undefined:
while ( my $bytes_read = read PATTERN, $line, 1920 ) {
unless ( defined $bytes_read ) {
die error reading $filename
Mr. Shawn H. Corey wrote:
On Sun, 2008-11-23 at 05:47 -0800, John W. Krahn wrote:
Mr. Shawn H. Corey wrote:
On Sun, 2008-11-23 at 05:34 -0800, John W. Krahn wrote:
You shouldn't do something with $line if $bytes_read is undefined:
while ( my $bytes_read = read PATTERN, $line, 1920
Harry Putnam wrote:
The program I'll post below is really only a test of a subroutine I
want to use in a larger program. Trying to get the subroutine ironed
out in this test script below so there is a little extra bumping
around to get it executed as sub routine, but It fails with these
errors:
Mr. Shawn H. Corey wrote:
On Sun, 2008-11-23 at 16:55 -0600, Harry Putnam wrote:
The program I'll post below is really only a test of a subroutine I
want to use in a larger program. Trying to get the subroutine ironed
out in this test script below so there is a little extra bumping
around to
Sureshkumar M (HCL Financial Services) wrote:
Hi All,
Hello,
I want to find the string which are having the date inside the
file.
Please help me how do I match it,below is my program and it's not
returning anything.
#!/usr/bin/perl
use warnings;
use strict;
open(DATA,i)||die Unable to
Dermot wrote:
2008/11/22 Sureshkumar M (HCL Financial Services) [EMAIL PROTECTED]:
#!/usr/bin/perl
# Always use these, particularly when things aren't working as expected.
use strict;
use warnings;
open(DATA,i)||die Unable to open the file;
while(DATA)
{
if($_=~/(\d{2})([\W])\1\2\1]/)
Owen wrote:
You need to run something like this. Adapt to your requirements
#!/usr/bin/perl -w
use strict;
while (DATA) {
my $line = $_;
if ( $line =~ /QQQ/ ) {
my @bits = split;
print $bits[$#bits -1]\n;
marys wrote:
Hello:
Hello,
Does anyone know how to use ‘awk’ in a script?
perl and awk have a lot of similar features so its usually preferable to
use perl in a perl program instead of awk.
It must have a
different syntax than the unix analog, as does the ‘grep’ command.
For grep, the
Amit Saxena wrote:
Hi all,
Hello,
How to determine the file type of a file passed as an input to the perl
program ?
I want to have the same output as it's shown by file command in UNIX.
file uses a database called /etc/magic to determine the file type.
Although on my system it is located
sftriman wrote:
I have data such as:
A|B|C|44
X|Y|Z|33,44
C|R|E|44,55,66
T|Q|I|88,33,44
I want to find all lines with 44 in the last field. I was trying:
/[,\|]44[,\$]/
which logically is perfect - but the end of line \$ doesn't seem
right.
How do I write:
comma or pipe followed by 44
[EMAIL PROTECTED] wrote:
Hi,
Hello,
I am trying to use a regular expression to search for some words in a
file after a few particular
words/characters.
Once I find the words I am looking for, I want to print only those
words.
Here's what I'm talking about.
while(INPUT) {
if
[EMAIL PROTECTED] wrote:
Hi,
Hello,
I am trying to split a file (where there are one or more spaces) that
I am getting through a file handle that is fed into an array and then
printing each element of the array on a seperate line.
Here's what I have: As you can probably figure out I only
howa wrote:
Hello,
Hello,
I have two strings:
1. abc
2. abc
The line of string might end with or not, so I use the expression:
(.*)[$]
Why it didn't work out?
$ perl -le'
for ( abc, abc ) {
print;
print $1 if /(.*)[$]/;
}
'
abc
Unmatched [ in regex; marked by -- HERE in
Telemachus wrote:
Good morning,
Hello,
I'm using a recipe from The Perl Cookbook (11.10 for anyone browsing at
home) to produce a record structure from items in a text file. The text
file itself has a simple structure:
field:value
field:value
field:value
field:value
field:value
Telemachus wrote:
On Mon Nov 17 2008 @ 10:21, John W. Krahn wrote:
Set paragraph mode.
while () {
Read a paragraph into $_. In your example a paragraph is:
field:value
field:value
field:value
my @fields = split /^([^:]+):\s*/m;
Since there are multiple lines
hotkitty wrote:
Hi,
Hello,
I have two arrays, as follows:
Array1=(
date 11/01/2008 newstuff1,
date 10/27/2008 newstuff2,
date 10/24/2008 newstuff3
)
Array2=(
date 11/01/2008 oldstuff1,
date 10/31/2008 oldstuff2,
date 10/30/2008 oldstuff3,
date 10/29/2008 oldstuff4,
date 10/28/2008
Kelly Jones wrote:
Consider:
perl -le '$hash{foo-bar} = 1; print $hash{foo-bar}'
[no result]
Using warnings and/or strict may have helped:
$ perl -Mwarnings -le 'my %hash = (foo-bar, 1); print $hash{foo-bar}'
Unquoted string foo may clash with future reserved word at -e line 1.
Argument bar
Chas. Owens wrote:
On Sat, Nov 15, 2008 at 13:52, Kelly Jones [EMAIL PROTECTED] wrote:
Consider:
perl -le '$hash{foo-bar} = 1; print $hash{foo-bar}'
[no result]
perl -le '$hash{foobar} = 1; print $hash{foobar}'
1
I sort of understand this: in the first script, Perl treats foo-bar as
a
Susheel Koushik wrote:
use the PERL system command. Its a wrapper for system call on your host OS.
ex: system(rm *.tmp);
Why, when you can just do:
unlink *.tmp;
John
--
Perl isn't a toolbox, but a small machine shop where you
can special-order certain sorts of tools at low cost and
in
Chas. Owens wrote:
On Mon, Nov 10, 2008 at 21:40, Rob Dixon [EMAIL PROTECTED] wrote:
John W. Krahn wrote:
Why not just:
ipaddy=`awk '{ print $1 }' ipin.txt`
But that still doesn't get you a comma-separated list.
Erm, a Perl list?
Rob
Hey, if you throw an @ in front of ipaddy you get
dilip wrote:
hi all,
Hello,
suppose i have a file having the following data..
SN = TOM
FDN = SALLY
OPERATIONAL STATE = ENABLED
Now suppose i grep the string ENABLED, i get the third line.But from
this very line i need to go 2 lines above and get the SN value
also.Please suggest .
Stewart Anderson wrote:
JC Janos wrote:
I have a file containing IP addresses ranges, their negations, and
comments. E.g.,
1.1.1.1 # comment A
2.2.2.2/29 # comment B
!3.3.3.3 # comment C
!4.4.4.4/28 # comment D
I need to extract those IPs
Travis Thornhill wrote:
Is there such a thing?
Yes there is.
I'm trying to take a HoH and make a reference to a sub-part of the hash.
This doesn't work:
my %sub_hash = $main_hash{'sub_hash'};
I get the following error:
Reference found where even-sized list expected at ./my_buggy_program
JC Janos wrote:
Hi,
Hello,
I have a file containing IP addresses ranges, their negations, and
comments. E.g.,
1.1.1.1 # comment A
2.2.2.2/29 # comment B
!3.3.3.3 # comment C
!4.4.4.4/28 # comment D
I need to extract those IPs ranges, rearrange
slow_leaner wrote:
On Nov 1, 6:57 am, [EMAIL PROTECTED] (John W. Krahn) wrote:
slow_leaner wrote:
Let me just add this to be clear.
I am so beginner, almost 4 moths, and not getting anywhere with perl.
I need some fire in my heart to keep me going. I just want someone to
show me how to fish
Brian wrote:
Hello again
Hello,
could someone please help me?
I will try.
$ZZ on line 38 is a single letter output from $string
(in this case f)
I would like to get this value pushed to $ZZ on line 11
Then you have to assign a value to it *before* line 11.
as it
itshardtogetone wrote:
Hi,
Hello,
Whats the perl command to run a script or program.
my $standard_output = qxprogram;
my $error_code = system qprogram;
exec qprogram;
open my $PIPE, '-|', qprogram;
perldoc -f qx
perldoc -f system
perldoc -f exec
perldoc -f open
perldoc perlopentut
Sharan Basappa wrote:
Hi,
Hello,
I have string that has one or more spaces. I would like to replace
them with a single space.
$ perl -le'
my $temp = 0 1 2 34;
print $temp;
$temp =~ tr/ //s;
print $temp;
'
0 1 2 34
0 1 2 3 4
The simple code below replaces the spaces fine,
Mr. Shawn H. Corey wrote:
On Tue, 2008-11-04 at 16:30 +0100, Rob Coops wrote:
What you want to be doing is this: $temp =~ s/\s+/ /g;
Actually to substitute multiple spaces with just one:
$temp =~ s/ +/ /g;
Or as some prefer:
$temp =~ s{ [ ]+ }{ }gx;
Not if speed is an issue:
$ perl -le'
[EMAIL PROTECTED] wrote:
Hi all,
Hello,
I have a string which contains spaces. I need to replace those spaces
with underscore, so I have written command like this
$string=fsdfsdfsdf fsdfsdfsdf;
chomp($string1 = ($string =~ s/\s+$/_/g));
\s+$ matches one or more of any whitespace
Matthew Tice wrote:
I've setup a simple (well, I copied it from someone else and modified it) to
monitor stale NFS mounts. Some preliminary testing seemed to go okay but
this problem crept up on me this weekend. The script is as follows:
#!/usr/bin/perl
use warnings;
use strict;
if (@ARGV
Sharan Basappa wrote:
Hi,
Hello,
I am using debugging for a program of mine.
The debugger exits probably after a regex match fail. I am not sure
why it should exit.
Any ideas, clues?
Regards
main::(StTrAuto.pl:106): my @new_auto_tr = ();
DB2 s
main::(StTrAuto.pl:107):
Dr.Ruud wrote:
Mr. Shawn H. Corey schreef:
2) Perl does not have true constants. When you `use constant` you
actually create a sub that returns a value. This:
use constant VAR = someval;
is the same as:
sub VAR {
return someval;
}
Perl has true constants.
use constant isn't the same
slow_leaner wrote:
On Oct 31, 10:27 am, [EMAIL PROTECTED] (Slow_leaner) wrote:
Is there a way I can marge FILE2 into FILE1 or reverse together
without creating a new merge file. I am not sure there are a better
way to do it. If you give me some hint or help, i would appreciate
it.
thx.
Here is
Zembower, Kevin wrote:
(This should probably be an easy one for someone.}
Why doesn't this work:
[EMAIL PROTECTED]:/usr/local/src/rrd$ perl -e @s=([a,b],[c,d]);print
$s[0][0];
syntax error at -e line 1, near ][
Execution of -e aborted due to compilation errors.
The shell interpolates your
Mark Wagner wrote:
I've got a script I'm using to search through a list of Wikipedia
article titles to find ones that match certain patterns.
As-written, if you run it and supply '.*target.*' on standard input,
it will process my test file in 125 seconds.
'.*target.*' is inefficient because
[EMAIL PROTECTED] wrote:
ok I'm pretty much a noob here, so you have to expect some level of
stupidity... ;-)
I got this script off a site and have spent several hours trying to
fix it yet I clearly still do not understand what exactly it is doing.
To me it appears to have problems when there
slow_leaner wrote:
Hi,
Hello,
I have a list of element in array that I would like to match the
pattern in logs file. I have hard time take element from array and
matching it. More then weeks now and don't know where to find in man
page.
perldoc -q How do I efficiently match many regular
Brian wrote:
Hello
Hello,
Years ago I used to work with FORTRAN, RPG GAP 2 and a smidgeon of basic.
Code was written one line at a time, the first section of code was Input
data, the next section was calculations, the last section was output.
(For example, in the sample of code below, the
Mr. Shawn H. Corey wrote:
On Mon, 2008-10-27 at 17:05 +, Brian wrote:
Why is it that some code has no curly braces after print; whilst in
others I sometimes see one or more curly braces after it?
Will there be a time when print; will fail because there isn't a curly
brace following it,
Brian wrote:
Mr. Shawn H. Corey wrote:
This code is written this way because the coder has been playing too
much Perl Golf ;) The objective of Perl Golf is to write a program to
do a simple task in the least number of characters possible. This, of
course, makes it harder to read.
I must
Jenda Krynicky wrote:
From: Chas. Owens [EMAIL PROTECTED]
On Oct 24, 2008, at 11:00, Sharan Basappa [EMAIL PROTECTED]
wrote:
I was just trying to match a string and save it in a single statement
as follows:
$extracted = cp xyz;
$state_var = $extracted =~ m/cp\s+(.*)/;
print $state_var $1
vendion wrote:
Hello I am having trouble finding the correct syntax for reading a
list of numbers from a file, it is open and can read from it, I tried
with
while (INPUT) {
chomp;
@some_array = $_;
print @some_array\n;
}
my @some_array;
while ( INPUT ) {
chomp;
Brian wrote:
Hello
Hello,
I would like to do a recursive search of directories and files, checking
to see if a file contains a certain string.
STDIN will be a string containing whitespace(s).
As soon as I hit enter, I would like dummy.txt to be time stamped and
again at termination.
I'm
Brian wrote:
John W. Krahn wrote:
Brian wrote:
I would like to do a recursive search of directories and files,
checking to see if a file contains a certain string.
STDIN will be a string containing whitespace(s).
As soon as I hit enter, I would like dummy.txt to be time stamped and
again
Brian wrote:
John W. Krahn wrote:
Brian wrote:
Unknown PerlIO layer mmap at mysearch.pl line 14, STDIN line 1.
I thought that Windows supported memory mapping, oh well.
Cannot open file dummy.txt No such file or directory at mysearch.pl
line 14 STDIN line 1.
the script is placed under
AndrewMcHorney wrote:
Hello
Hello,
Is there a way in Perl to find out why a file failed to open? I am
working on a script that is opening and reading a lot of files. This
script is right now being written on a Windows based system.
perldoc perlvar
[ *snip* ]
$OS_ERROR
$ERRNO
Brian wrote:
Hello
Hello,
Having played around for a while, I am able to get a reasonable result
using Example 1, the unreasonable part being that l gets added to the
end of the file, I can only presume here that it is duplicating the last
2 characters of the last line in the file, that
protoplasm wrote:
On Oct 23, 2:09 am, [EMAIL PROTECTED] (John W. Krahn) wrote:
Perhaps you need to use the -xdev switch for find to ignore other file
systems?
Thank you, John. That certainly helped. It now ignores the mounted
file systems but still traverses hidden directories. I must
Kelly Jones wrote:
I saw something like this in a mimedefang tutorial:
sub foo () {return 1;}
By trial and error, I discovered this means: foo takes EXACTLY four
arguments, no less, no more.
Where can I learn more about this syntax/feature?
protoplasm wrote:
I ran find2perl to give me some output that I included below (in
Sub_directory). If I have no network shares mounted it runs fine. But
I have some shares mounted (sftp, or smb, etc.) via Nautilus, the
below script really takes a long time. It begins to search through
~/.gvfs
Kirk Wythers wrote:
Below is snipit of code that is intended to read in the station_id from
the header of each example file. In each case the reg expression is
supposed to find the 6 digit number within the parentheses. Both files
contain 6 lines in the header. For some reason the reg
Kirk Wythers wrote:
On Oct 23, 2008, at 11:09 PM, John W. Krahn wrote:
Kirk Wythers wrote:
Below is snipit of code that is intended to read in the station_id
from the header of each example file. In each case the reg expression
is supposed to find the 6 digit number within the parentheses
Kammen van, Marco, Springer SBM NL wrote:
From: Peter Scott [mailto:[EMAIL PROTECTED]
Subject: Re: Reading from multiple sockets.
On Tue, 21 Oct 2008 12:53:53 +0200, Kammen van, Marco, Springer SBM NL
wrote:
I'm pretty new to working with sockets in perl, looked around for days
for a proper
[EMAIL PROTECTED] wrote:
Hi John,
I picked up the Perl book last week so all of your whys will get one
answer. Because that the way I thought it would work!
There are a *lot* of Perl books out there. Which one in particular did
you pick up?
perldoc -q How do I find yesterday.s date :
Brian wrote:
Hi
Hello,
ARGV0 will = AB7Z001
ARGV1 will = AB7Z002
ARGV2 will = 01/01/1900
I would like to read a file, locate AB7Z001 (but not AB7Z0011, so a space at
position 8 in string )
Upon location of value in argv0 replace it with argv1.
Then, at the first instance of a date replace
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