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"Brian Raven"
<[EMAIL PROTECTED]
rketsolutions.com To
> <[EMAIL PROTECTED]
Sent by: m>
activeperl-bounce cc
[EMAIL PROTECTED]
State.com Subject
RE: spawning children
26/10/2005 11:53
[EMAIL PROTECTED] <> wrote:
> Mr. Scott-
>
> unfortunately that gives a slight issue with binary increase rather
> than a number (most) humans would work out in their mind.
>
>
> Mr. Raven-
>
> maybe i should hold off on sending this... I got an idea to use & and
> see
> what that does with system from that. however...
>
> on windows that previous code creates a bunch of boxes so you know how
> many children are running. it also creates load - 1 children, an easy
> to
> determine number.
>
> using this test script:
>
> ******************** code separator ********************
> #! /usr/bin/perl
> use strict;
>
> my $many = @ARGV[0];
> my $done=0;
>
> print "test: many is $many\n\n";
>
> while($done < $many){
> # exec "$0 0"; # kills this to create a new one
> # system "$0 0"; # creates new one with return to this one, not
> terminal? # `$0 0`; # creates new one and waits on return to this
> one? # fork; # creates binary progression (0->1; ... 10 -> 1024; ...
> 20 ->1048576 ...)
>
> $done++;
> }
> print "hello world\n";
> __END__
> ******************** code separator ********************
>
> i found fork makes numbers that most can get some of fast, but even i
> cant
> really do past 20 with ease in my head (yes i know i'm a mathematical
> freak. try asking me things i know how to apply to reality in my
> sleep.
> based on a joke, my sister when we were younger, did once, sadly i
> spit
> out the answer practically as soon as the question is finished with an
> accuracy that.. well i got all the questions right that she
> asked....and
> after college, i'd only call myself mediocre (sp?) at math.) so i'm
> trying
> to look for something that will create one child with each pass. i
> dont
> mind them being background, just as long as a human that doesnt know
> better can look and know immediately they are running.
If you want sub processes to be run in a separate terminal window on a
Unix-like OS, then you have to ask for it. For example:
system "xterm -e $command";
Although I don't think that that is a good way to identify how many
sub-processes exist, unless the number is pretty small. If it is
important to know how many sub-processes exist then the means to
determine that should be part of the design.
Also, from you test script it looks like you do not understand what fork
does.
HTH
--
Brian Raven
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