#!/usr/bin/perl

# https://perlmonks.org/?node_id=1231669

use strict;
use warnings;

$_ = do { local $/; local @ARGV = qw(File1 File2); <> . <> };

print "$1 => Prev: $2 Now: $3\n"
  while /^(\w+), (\w+),.*\n(?=(?:.*\n)*\1, (?!\2,)(\w+).)/gm;

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In reply to Re: Arrary issues by tybalt89
in thread Arrary issues by deadlift

Title:
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and:  <code> code here </code>
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