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Re: How to determine current line executing in Script

by Anonymous Monk
on Dec 04, 2008 at 12:56 UTC ( [id://727957]=note: print w/replies, xml ) Need Help??


in reply to How to determine current line executing in Script

Make use of warn, $SIG{__WARN__} and END {...}. If the argument to warn doesn't end with a new line ( warn $x." "; ) then the line number will be appended. In $SIG{__WARN__} do a "push(@log,"@_");". In the END block print @log. You probably should add a $SIG{__DIE__} where you also do the "push(@log ..." before you re-raise the die. That way you'll get a log if you "die".
  • Comment on Re: How to determine current line executing in Script

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Re^2: How to determine current line executing in Script
by Anonymous Monk on Dec 04, 2008 at 14:08 UTC 
    #!/usr/bin/perl

use strict;
use warnings;

my @log="\n";

BEGIN {
    $SIG{__WARN__}=sub {
            push(@log,"@_");
             };
    $SIG{__DIE__}=sub {
            push(@log,"@_");
             };
     } # BEGIN
END {
    if (@log) {
        print @log;
         };
     } # END

warn "a warning ";
my $warning="just another warning\n";
warn $warning." ";
die "death by request";

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