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Re: Modify a txt file

by Eliya (Vicar)
on Oct 20, 2011 at 01:04 UTC ( #932537=note: print w/ replies, xml ) Need Help??

in reply to Modify a txt file

One way to do it:

#!/usr/bin/perl -w use strict; local $/ = ""; # paragraph mode while (<DATA>) { my ($num) = /^(\d+)/; s/\w+/$num/g; print; } __DATA__ 0 ASDF ASEE ASEE 13 DERG DREG 28 QWER QWER 42 WERT WERT WERT 55 QWEASD QWEASD QWEASD QWEASD

(note that $/ = "" is not the same as $/ = undef, see perlvar)

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