in reply to search and replace with a temp file at a certain substr position
Substr can do the replacing for you: my $ns = substr( $_, 13, 8, 'blah'); but it appears that you aren't printing what you want to *NEW, print NEW $_;
I don't understand your regex. What is it supposed to match?
After Compline,
Zaxo
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Seekers of Perl Wisdom