#!/usr/bin/env perl -l use strict; use warnings; use Data::Dumper; open(TABLE,"<","./table.txt") or die $!; my %Tables=(); my $eachline; while( $eachline=) { next if $eachline=~/^$/; chomp($eachline); my ($value,$key)= split (/\s+/,$eachline); $Tables{$key} = $value; } print Dumper \%Tables; open(VALUES,"<","./values.txt") or die $!; my $eachValue; while($eachValue=) { chomp($eachValue); if (exists $Tables{$eachValue}) { print $eachValue Matches in table.txt $Tables{$eachValue}.qq(\n); } else { print "$eachValue not matched in table.txt file\n"; } }