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#!/usr/local/bin/perl -w
use Tk;
use IO::File;
$ENV{'PERL5LIB'} = join(($^O eq 'MSWin32') ? ';' : ':',@INC);
if (@ARGV)
{
open(STDOUT,">&STDERR");
my $id = shift;
print "$id\n";
my $mw = MainWindow->new('-use' => oct($id));
print "id = $id, use=",$mw->cget('-use')," mw id=",$mw->id,"\n";
$mw->Label(-text => "This is process $$ using $id")->pack;
$mw->Button(-text => 'Quit', -command => [destroy => $mw])->pack;
MainLoop;
}
else
{
my $mw = MainWindow->new;
my $f = $mw->Frame(-borderwidth => 6, -relief => 'sunken', -container => 1)->pack;
my $id = $f->id;
$mw->Label(-text => "This is process $$ providing $id")->pack;
$mw->Button(-text => 'Quit', -command => [destroy => $mw])->pack;
my $fh = IO::File->new("$^X $0 $id|");
MainLoop;
$fh->close;
}
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