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Postings from June 2010
> $1 is magic, so until SvGETMAGIC() is called it has no flags.
>
> Patch calls SvGETMAGIC() before checking the flags, and uses the no
> magic variant of SvIV() avoid to double magic.
>
> looks_like_number() can also call SvGETMAGIC() via SvPV_const(), but
> that's a different problem.
>
> Tony
> From 322ed3e750982361473addd7d45edcbace447752 Mon Sep 17 00:00:00 2001
> From: Tony Cook <tony@develop-help.com>
> Date: Thu, 17 Jun 2010 18:58:04 +1000
> Subject: [PATCH] RT #75812: apply get magic before checking flags, PVX
>
> The code was checking flags with applying any get magic, so when a
> match was doing putting a numeric string into $1, none of the flags
> checked were set, so producing the "non-numeric process ID" error.
Any idea why use 5.12.1 makes it so kill $1 doesn't break?
use 5.12.1;
my $pid = "12345 ";
if($pid =~ m/(\d+)/) {
kill 9, $1;
}
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