Re: [Jbeta] J iOS data transfer
Brian As you remarked earlier gtkwd.ijs is missing, which is why the require fails at the beginning of pousse.ijs. This doesn't fix your problem but at least explains it. I suppose my problem lies elsewhere. fyi, the ~ symbol is resolved in jpath. Seems like definitions in stdlib.ijs and elsewhere need changing so people dont waste time on stuff like this. The script function looks like a good place to start. (same applies to scriptd) I wonder what others think. Regards David -- For information about J forums see http://www.jsoftware.com/forums.htm
Re: [Jbeta] J iOS data transfer
I wasn't clear. Functions like script need to tell people which files are missing otherwise time gets wasted. On Sun, Jun 24, 2012 at 9:34 AM, david alis david.a...@gmail.com wrote: Brian As you remarked earlier gtkwd.ijs is missing, which is why the require fails at the beginning of pousse.ijs. This doesn't fix your problem but at least explains it. I suppose my problem lies elsewhere. fyi, the ~ symbol is resolved in jpath. Seems like definitions in stdlib.ijs and elsewhere need changing so people dont waste time on stuff like this. The script function looks like a good place to start. (same applies to scriptd) I wonder what others think. Regards David -- For information about J forums see http://www.jsoftware.com/forums.htm
Re: [Jbeta] J iOS data transfer
i'm almost there ...
On my Win7 I ran (beware line breaks):
jt'c';'C:\Users\david\j64-602-user/test.jt';'C:\Users\david\j64-602\addons\';'games'
('C:\Users\david\j64-602-user/test2.html')jattach
'C:\Users\david\j64-602-user/test.jt'
(returns 131617 chars written).
mailed test2 to myself
Opened it in iPad.mail, copied to clipboard, returned to J typing
jcbtof '~/t.jt'
The content of file t.jt looks reasonable and its size is 129050.
1!:0'j/t.jt'
returns 129050.
But when i run
jt'x';'~/t.jt';'addons/games'
i get assertion failure:
assert(#fd)=fd frwrite p
When I run
1!:0'j/addons/*'
I can see the directories for convert graphics ide and labs
games isnt there.
I get the same assertion error for
jt'x';'~/t.jt';'~addons/games'
jt'x';'~/t.jt';'~/addons/games'
but in both cases the games directory is created
aIn both cases it is empty.
No doubt something simple.
Brief description of how the character ~ is resolved in
file and path names would be helpful.
Rgds
David
On Sat, Jun 23, 2012 at 12:03 AM, Eric Iverson eric.b.iver...@gmail.com wrote:
In an email from me to beta forum in the last few days. I will clean this
up, but would like to hear of a successful use (or not so) first.
On Fri, Jun 22, 2012 at 5:59 PM, Jim Russell jimsruss...@yahoo.com wrote:
I need a bunch of brushing up first, but for future reference, where is
jt.ijs to be found?
Sent from my iPad
On Jun 22, 2012, at 5:06 PM, Eric Iverson eric.b.iver...@gmail.com
wrote:
I believe my last posting with the jt.ijs script works properly. Please
try
it. If it fails, let me know details and I will fix it. Be sure to use my
last posting, as there were many earlier ones with various problems.
Rather than try with a big folder of stuff, you might want to try a
simple
test file with text you suspect might cause problems. If this fails it
will
be easier to track down and fix. If it works, there is a better chance of
the big test working.
On Fri, Jun 22, 2012 at 4:52 PM, John Baker bakerj...@gmail.com wrote:
Have there been any updates to the transfer process since this thread
started? When I last looked the J code was not untangling properly.
On Mon, Jun 18, 2012 at 2:09 PM, Eric Iverson eric.b.iver...@gmail.com
wrote:
You see the attachment jattach.html in your email message. Tap it and
you
should see your stuff in a browser page that you can then tap and hold
and
copy.
On Mon, Jun 18, 2012 at 2:59 PM, Brian Schott schott.br...@gmail.com
wrote:
On my ipad, in gmail, I do not see the attachment in safari. I see it
it gmail. I do not use mail exactly, I use gmail.
The attachment is an html file.
On Mon, Jun 18, 2012 at 2:32 PM, Eric Iverson
eric.b.iver...@gmail.com
wrote:
To repeat with emphasis: the jattach step and attaching the
jattach.html
file that is sent is essential. This is the only way to get full
copy/paste
support on the iPad as otherwise you get the sickly limited version.
The jattach step is needed whether sending a single file or a jt file
that
contains multiple files.
Utilities will eventually combine these steps into common forms.
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Re: [Jbeta] J iOS data transfer
Hi Brian monadic jattach just uses the default file name of '~temp/jattach.html' What do you get when you list files in directories? 1!:0'j/addonns/games/*' I'm having loads of fun reverse engineering my way to figuring out how J works on iPad. But I wouldnt mind a little bit of help. An explanation of the resolution of what ~ means when it's used as part of a file or path name would be nice. I suppose using J701 instead of J602 might help. David On Sat, Jun 23, 2012 at 3:35 PM, Brian Schott schott.br...@gmail.com wrote: David, I was able to transfer the ~addons from my Mac to my iPad without getting your errors. I used monadic jattach, not dyadic, though. For me disillusionment struck with the following error appeared load'~addons/games/pousse.ijs' not found: /j/addons/games/pousse.ijs |file name error: script | 0!:0 y[4!:55'y' And then a look at pousse.ijs suggests to me that needed addons from gtkwd and gl2 may not even work in my Pad. require 'gtkwd gl2 text' I think I followed exactly the instructions Eric provided that I have placed at Jwiki/i05 (I edited them slightly on the Jwiki/i05 so there could he an error). I find it hard fo remember or to follow the instructions regarding when to add things like 'misc' and '.ijs'. Please let me or Jwiki/i05 know when you find errors. -- (B=) -- For information about J forums see http://www.jsoftware.com/forums.htm -- For information about J forums see http://www.jsoftware.com/forums.htm
Re: [Jbeta] J iOS data transfer
and what's actually in the pouse directory on the iPad as well as the PC? On the iPad the games directory should show up when you run 1!:0'j/addons/*' and pousse should show up when you run 1!:0'j/addons/games/*' Assuming that's the case, what shows up when you run 1!:0'j/addons/games/pousse/*' you should see manifest.ijs and pousse.ijs When I created the .jt file for my games directory on the PC the jt program reported that three binary files which it ignored: file with non-char bytes ignored: games\minesweeper\tiles18.png file with non-char bytes ignored: games\minesweeper\tiles26.png file with non-char bytes ignored: games\solitaire\cards.j31 but none relate to pousse. Rgds David On Sat, Jun 23, 2012 at 8:42 PM, Brian Schott schott.br...@gmail.com wrote: 1!:0'j64-701/addons/games/*' ┌──┬─┬───┬───┬──┬──┐ │pousse│2012 3 11 3 26 16│136│rwx│d-│drwxr-xr-x│ └──┴─┴───┴───┴──┴──┘ 1!:0'j602/addons/games/*' 1!:0'~/j602/addons/games/*' On Sat, Jun 23, 2012 at 11:08 AM, david alis david.a...@gmail.com wrote: Hi Brian monadic jattach just uses the default file name of '~temp/jattach.html' What do you get when you list files in directories? 1!:0'j/addonns/games/*' I'm having loads of fun reverse engineering my way to figuring out how J works on iPad. But I wouldnt mind a little bit of help. An explanation of the resolution of what ~ means when it's used as part of a file or path name would be nice. I suppose using J701 instead of J602 might help. David -- (B=) -- For information about J forums see http://www.jsoftware.com/forums.htm -- For information about J forums see http://www.jsoftware.com/forums.htm
Re: [Jbeta] IOS Bullet commands
sockets are disallowed. right? On Thu, Jun 21, 2012 at 5:39 PM, Eric Iverson eric.b.iver...@gmail.com wrote: Follow all the stuff from the ? button. Limited and a bit terse, but it does cover everything. Because J is so powerful, there is more than might first meet the eye. Apple doesn't allow apps that can be used to build apps. If that sentence irritates, join the club. I'm paraphrasing and combining some of the app quidelines, but that is what it boils down to. The J programming language iOS app is for learning and working with J. You can't create or work with a GUI beyond what you directly see. This is unfortunate as it would be so easy to expose the entire GUI facilities to the J programmer as has been done on other platforms. But that is the current status. Apple has gradually relaxed in this area and there might be hope for the future. A year or 2 ago what you have now wouldn't have been allowed. On Thu, Jun 21, 2012 at 11:25 AM, Jim Russell jimsruss...@yahoo.com wrote: Where might I find documentation? Are there other IOS events defined? Thanks -- love J in IOS, but I am still pretty confused... -- For information about J forums see http://www.jsoftware.com/forums.htm -- For information about J forums see http://www.jsoftware.com/forums.htm -- For information about J forums see http://www.jsoftware.com/forums.htm
Re: [Jbeta] IOS Bullet commands
perfect. thanks On Thu, Jun 21, 2012 at 5:54 PM, Eric Iverson eric.b.iver...@gmail.com wrote: Try loading sockets and playing. But don't wave about as Apple could disallow down the road. On Thu, Jun 21, 2012 at 11:48 AM, david alis david.a...@gmail.com wrote: sockets are disallowed. right? On Thu, Jun 21, 2012 at 5:39 PM, Eric Iverson eric.b.iver...@gmail.com wrote: Follow all the stuff from the ? button. Limited and a bit terse, but it does cover everything. Because J is so powerful, there is more than might first meet the eye. Apple doesn't allow apps that can be used to build apps. If that sentence irritates, join the club. I'm paraphrasing and combining some of the app quidelines, but that is what it boils down to. The J programming language iOS app is for learning and working with J. You can't create or work with a GUI beyond what you directly see. This is unfortunate as it would be so easy to expose the entire GUI facilities to the J programmer as has been done on other platforms. But that is the current status. Apple has gradually relaxed in this area and there might be hope for the future. A year or 2 ago what you have now wouldn't have been allowed. On Thu, Jun 21, 2012 at 11:25 AM, Jim Russell jimsruss...@yahoo.com wrote: Where might I find documentation? Are there other IOS events defined? Thanks -- love J in IOS, but I am still pretty confused... -- For information about J forums see http://www.jsoftware.com/forums.htm -- For information about J forums see http://www.jsoftware.com/forums.htm -- For information about J forums see http://www.jsoftware.com/forums.htm -- For information about J forums see http://www.jsoftware.com/forums.htm -- For information about J forums see http://www.jsoftware.com/forums.htm
[Jbeta] JHS - linux - 2!:0 and 2!:1 and 2!:2
I'm running ubuntu 10.10, 64 bit with j701/2011-01-10/11:25 if the exit status of the command run by 2!:0 is non-zero then JHS returns 'interface error' in the browser. So running files =: 2!:0'find / -name testfile 2/dev/null' returns a result to JHS only if run as root. Otherwise it's an interface error. Running commands in a subshell is a workaround files=: 2!:0'(find / -name testfile /tmp/abcd); cat /tmp/abcd' but this does seem a pity Is 2!:1 supposed to work in JHS? 2!:2 'pwd' crashes both jgtk and jhs. Regards David -- For information about J forums see http://www.jsoftware.com/forums.htm
Re: [Jbeta] Installation without access to internet
Thanks - simple and effective. David On Thu, Jan 13, 2011 at 7:10 PM, jerome fontaine fontainejerome2...@gmail.com wrote: fontainejerome2...@gmail.com i have several partitions and use to copy the J directory, it is fast think you have USB portable device I try rename my j701 unplug the eth install a new with j701a_linux32.sh copy the addons and system and tools to the new J replace all fusion all ... run and see no gmail! forget to replug eth! -- For information about J forums see http://www.jsoftware.com/forums.htm
[Jbeta] JHS, JGTK
The new interfaces JGTK and JHS are very good indeed. JHS is an extraordinary achievement. Congratulations and very well done. David -- For information about J forums see http://www.jsoftware.com/forums.htm
[Jbeta] Installation without access to internet
Apologies if this already been dealt with. I have copied the file j701a_linux64.sh to a linux server that has absolutely no access to the internet. How do (1) I install the gtk based ide (2) how would i install and keep current the various packages, addons? Thanks David -- For information about J forums see http://www.jsoftware.com/forums.htm
Re: [Jbeta] Nag nag nag nag
is there also a fix for this one? a=.$.i.5 a+5x |syntax error | a+5 (same version, but on W7, 32bit) David On Mon, Jan 10, 2011 at 9:04 PM, Eric Iverson eric.b.iver...@gmail.comwrote: I have a fix for this bug from Roger and it will be included in the next set of 701 installers. Thanks for the nags! On Mon, Jan 10, 2011 at 5:02 AM, Roger Stokes r...@rogerstokes.free-online.co.uk wrote: Still got this old bug in j701: JVERSION Engine: j701/2011-01-07/14:33 Library: 7.01.030 Platform: Win 32 Installer: j701a_win.exe InstallPath: c:/users/homer/j701 1 0 2 +/ @: * (3 2 $ 3 1 2 1 1 0) 7 3 NB. The result 7 3 is wrong. NB. The correct result is 5 1, shown by replacing + NB. with an equivalent verb, say +0 . 1 0 2 +0 / @: * (3 2 $ 3 1 2 1 1 0) 5 1 NB. This has been mentioned before, firstly NB. by Patrick Van Beek on 14 6 2008. -- For information about J forums see http://www.jsoftware.com/forums.htm -- For information about J forums see http://www.jsoftware.com/forums.htm -- For information about J forums see http://www.jsoftware.com/forums.htm
[Jbeta] installation problem with latest j701
I downloaded the latest 701 for win32 (Windows7) ran load 'pacman' 'update' jpkg'' 'install' jpkg'all' then quit and started jpkg and got the following: C:\j701\binC:\j701\bin\jconsole gtkide |domain error: cd | helper_g_locale_to_utf8_jgtk_'intl.dll gettext + x *c'cdy david -- For information about J forums see http://www.jsoftware.com/forums.htm
[Jbeta] bug - sparse and extended integers
this bug is still present in J701 it was reported in March 2009. http://www.jsoftware.com/pipermail/programming/2009-March/014233.html u=.:i.3 u + 9x 10 11 12 u=. $.:i.3 u + 9 0 | 10 1 | 11 2 | 12 u + 9x |syntax error | u+9 (j701/beta/2010-11-24/22:45) -- For information about J forums see http://www.jsoftware.com/forums.htm
[Jbeta] fgets not found
I downloaded and successfully installed j701, Win, 32bit on 14 dec. i could install the gtkide and use the IDE. I chose custom installation and the installation went into C:\j701 today i downloaded the newest version. Before installing it I renamed my existing c:\j701-c:\j701xx After the installation I started jgtk and followed the instructions. install'gtkide' it ran fine - i.e. wget download followed by the installation of the gtk bundle. However, starting jgtk fails because fgets isnt found/defined. C:\j701\binC:\j701\bin\jconsole gtkide |value error: fgets | text=.fgets text -- For information about J forums see http://www.jsoftware.com/forums.htm
[Jbeta] fgets not found
i seldom use jconsole so i had to search forum to find what to do. load'pacman' 'update' jpkg 'base library' ide works okay now. is that enough or is there more? -- For information about J forums see http://www.jsoftware.com/forums.htm
[Jbeta] j702 ide - configure option in edit menu
the edit|configure option in the new ide will be very difficult for a new user. how do i change the default representation of expressions from box to linear to tree ? david -- For information about J forums see http://www.jsoftware.com/forums.htm
[Jbeta] Release Highlights (relhigh.htm) - J7
Is there a ReleaseHighlights for J7 ? something like: system\extras\help\user\relhigh.htm If only for the engine (i.e. language features, changes, etc). Thanks David -- For information about J forums see http://www.jsoftware.com/forums.htm
Re: [Jbeta] j602bbeta
looks as if 'appboot.ijs' needs to sit in the same directory as profile.ijs On 11/3/07, Raul Miller [EMAIL PROTECTED] wrote: I wrote: 'tmp=:usr' 1!:2 jpath '~bin/appboot.ijs' Never mind, I needed to use =. -- Raul -- For information about J forums see http://www.jsoftware.com/forums.htm -- For information about J forums see http://www.jsoftware.com/forums.htm
[Jbeta] M. working as designed?
Is the following the expected behaviour of using M.
data =: ( @ (?~)@?)1e5#10
A=: 5#5
B=: 5?5
foo_with_M =: 3 : 0 M.
n=:?1e5
data =:(:n{::aa)n}aa
n;n{::data
)
foo_with_M 0 B
|85156| |
+-+---+
|37421|3 2 1 5 4 |
+-+---+
|13050| |
+-+---+
|3441 |5 1 3 2 4 6|
+-+---+
|30853|3 4 2 1|
+-+---+
foo_with_M 0 A
+-+---+
|98897|3 2 8 1 4 6 5 7|
+-+---+
|98897|3 2 8 1 4 6 5 7|
+-+---+
|98897|3 2 8 1 4 6 5 7|
+-+---+
|98897|3 2 8 1 4 6 5 7|
+-+---+
|98897|3 2 8 1 4 6 5 7|
+-+---+
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Fwd: [Jbeta] M. working as designed?
On 10/27/07, Raul Miller [EMAIL PROTECTED] wrote:
On 10/27/07, david alis [EMAIL PROTECTED] wrote:
Note that you use a value 'aa' here, which you do not define in
your message.
Rephrasing the saying ...
cut in leasure, paste in haste - sorry about that..
data =: (?~?). 1e5#10
foo_with_M =: 3 : 0 M.
n=:?1e5
data =:(:n{::aa)n}data
n;n{::data
)
What is happening is that repeated invocations of foo_with_M produce
identical results when successive arguments are the same.
In this example the value of n doesn't change between invocations.
Is this correct?
foo_with_M 0 [1 1 1 2 2 2 3 3
+-+-+
|16914|3 1 2 4 |
+-+-+
|16914|3 1 2 4 |
+-+-+
|16914|3 1 2 4 |
+-+-+
|85206|1 6 5 7 4 3 2|
+-+-+
|85206|1 6 5 7 4 3 2|
+-+-+
|85206|1 6 5 7 4 3 2|
+-+-+
|34433|2 1 |
+-+-+
|34433|2 1 |
+-+-+
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Re: [Jbeta] Find in Files - In folders - limited
Ah ha.. this is an interesting one 1a) I noticed a while back that I could use the ..\.. (etc etc) notation to move up and out of the the j602 directory to search where i wanted. (Bjorn could have used . to extend beyond Project and User) But I don't think this allows me to move away from the drive where J is installed. Example: 'this is a little test for FiF: word insert' (1!:2)'..\insert.txt' Searching for string 'insert_this' with '..' in the 'In Folders' field returns: c:\jsoftware\j602\..\insert_this.txt (1) insert_this Is there a way to override the 'c:\joftware\j602\' prefix? (other than hacking fif.ijs) FiF is really very useful but running J from a USB stick install would limit the it searching the stick. 1 b) It would be neat if variable substitution aka perl was possible - for example: ..\..\$pathx\conf\ where, in the current locale, pathx=:Program Files\Apache Software Foundation\Tomcat 6.0' or in named locale ..\..\$pathx_locale123_\conf\ 2a) When the FileType field is empty (or blank) then switching to the Help tab and back again causes an error: error in: fif_tabs_button domain error:wd wd'setselect etype ', :j i. FIFTYPE 2 b) Would be nice if FileType honoured the text entered - (e.g. a type of myx is ignored - must select 'All' instead) Regards David On 10/1/07, Chris Burke [EMAIL PROTECTED] wrote: Björn Helgason wrote: The Find in Files folders only show projects and users. It is quite limiting compared to J601 which allowed to search in all folders It is very useful to be able to find in system folders Agreed, I'll restore that. -- For information about J forums see http://www.jsoftware.com/forums.htm -- For information about J forums see http://www.jsoftware.com/forums.htm
[Jbeta] concerning ic (aka 3!:4)
The conversion routine 3!:4 only accepts scalar or vector arguments. Would it be possible to extend it to behave in a similar way to #. and #: The following is a model: ic =: 3!:4 cnvt =: ( 3 : ' ($y)$_2[\ 1 ic ,y') :. ( 3 : '(}:$y)$_1 ic,y') $ cnvt i.20 30 40 20 30 40 2 (-: ].cnvt ) i.20 30 40 1 As presently implemented: 1 ic i.20 30 40 |rank error: ic | 1 ic i.20 30 40 Regards David PS: On a lesser point, why does the following produce a spelling error? test =. (+):.(-) but this doesn't pp=. (+) :.(-) (j601/2006-11-17/17:05 : J64) -- For information about J forums see http://www.jsoftware.com/forums.htm
[Jbeta] Problem sparse array and sparse axis
There is a problem when specifiying the sparse axis. +p=.1$. 10 2 +q=. 1 13(3)}p 3 0 │ 1 3 1 │ 13 q-:p 0 +p=.1$. 10 2;0 +q=. 1 13(3)}p 3 │ 1 13 q-:p 0 +p=.1$. 10 2;1 +q=. 1 13(3)}p NB. this is wrong q-:p 1 Regards David j601_64 j601/2006-11-17/17:05 -- For information about J forums see http://www.jsoftware.com/forums.htm
Re: [Jbeta] Problem with oblique - was Re: [Jprogramming] re:tacticprogramming
Judging from the following the problem would appear to affect floating point numbers and not than integers. a=.100+i.5 b=.200+i.5 Q=.%/ a((Q f.)/.@:,:)b NB. integer 100 0.505 0.507463 0.509901 0.512315 204 a((Q )/.@:,:)b 100 0.505 0.507463 0.509901 0.512315 204 a((Q f.)/.@:,:)b +0.1 NB. floating point 100 1.98119 1.97157 1.96214 1.95288 204.1 a((Q )/.@:,:)b +0.1 100 0.504748 0.50721 0.509649 0.512063 204.1 What could cause such strange behaviour? David On 6/8/07, Mike Day [EMAIL PROTECTED] wrote: That's why I moved to Jbeta Joey K Tuttle wrote: Has anyone pointed out that this is a 6.01 bug?? version '' j504/2005-03-16/15:30 Running in: Linux Linux version 2.4.20-28.8 ([EMAIL PROTECTED]) (gcc version 3.2 20020903 (Red Hat Linux 8.0 3.2-7)) #1 Thu Dec 18 12:53:39 EST 2003 /.t =. 2 8 [EMAIL PROTECTED] 10 +-+---+---+---+---+---+---+---+-+ |6|5 0|9 4|2 6|4 8|9 3|0 8|7 1|2| +-+---+---+---+---+---+---+---+-+ -//.t 6 5 5 _4 _4 6 _8 6 2 -~//.t 6 _5 _5 4 4 _6 8 _6 2 version '' Binary: j601binc_darwin_powerpc Library: j601libc Help: j601hlpc Engine: j601/2006-11-17/17:05 ProductName:Mac OS X ProductVersion: 10.4.9 BuildVersion: 8P135 java version 1.5.0_07 Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_07-164) Java HotSpot(TM) Client VM (build 1.5.0_07-87, mixed mode, sharing) /. t=. 2 8 [EMAIL PROTECTED] 10 +-+---+---+---+---+---+---+---+-+ |6|5 0|9 4|2 6|4 8|9 3|0 8|7 1|2| +-+---+---+---+---+---+---+---+-+ -//.t 6 _5 _5 4 4 _6 8 _6 2 -~//.t 6 _5 _5 4 4 _6 8 _6 2 foo =: - foo//.t 6 5 5 _4 _4 6 _8 6 2 foo~//.t 6 _5 _5 4 4 _6 8 _6 2 -- For information about J forums see http://www.jsoftware.com/forums.htm -- For information about J forums see http://www.jsoftware.com/forums.htm -- For information about J forums see http://www.jsoftware.com/forums.htm
[Jbeta] Bug report - java front end and 'find'
I presume this is the best place to report the following, in case it has not yet been reported. When I use the Java implemented session manager front end, the Find option (under Edit) doesnt behave properly. After the first item has been found, selecting the same menu option again behaves incorrectly. Instead of opening the panel where I can specify the target string it behaves as 'Find again' or F3. Only after the last location of the target does the panel reappear. This happens on both linux and windows version (6.01). Regards David -- For information about J forums see http://www.jsoftware.com/forums.htm
[Jbeta] suggestion for improvement
Is this the right place to request a performance improvement in {::
when using it with mapped files?
Example:
require'jmf'
createjmf_jmf_'abcd';100e6
map_jmf_'abcd';'abcd'
abcd=.xyz=.1$a: NB. xyz is ordinary array
abcd =. (;:'this is the rule')1000}abcd
xyz =. (;:'this is the rule')1000}xyz
12j9 :(1000) 6!:2'1000{::abcd'
0.000184470
12j9 :(1000) 6!:2'1000{::xyz'
0.07284
It's pretty much 20 times slower with a mapped file.
I know that 1000{abcd gets around the problem - but i got caught out
again recently while trying to reduce processing time.
The bigger the mapped array the greater the effect.
Regards
David
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