Peter=Pierre John Baker=JeanBoulanger Mary Brown Smith=Marie Brown #### Matched file JPeter=Pierre Notmatched file John Baker=JeanBoulanger(1) Mary Brown Smith=Marie Brown(1) #### #!/usr/bin/perl use strict; use warnings; open(FILE, ") { my ($left, $right) = split /=/, $line; my @left_array = split / /, $left; my @right_array = split / /, $right: my $left_count = scalar @left_array; my $right_count = scalar @right array; if ($left_count == $right_count) { print $matched_file $line; } else { chomp $line; my $diff = abs (left_count - $right_count) print $unmatched_file $line, "($diff) \n"; } }