First things first. You need:
use strict;
use warnings;
That will never fail you.
To address your problem it looks like you are comparing against the wrong variable in your if statements:
if($string =~ /# __START_CONFIG__/i) {
$action=2;
}
Should be:
if($value =~ /#\s__START_CONFIG__/i) {
$action = 2;
}
(I substituted your space for the
\s pattern instead, I like it better though if you strictly need a space, I prefer
[ ] instead, that's a matter of style, I just like to be very explicit, and it tells me later that I meant to put a space in the pattern.
See if these things help.
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