Re^3: Perl sorting unique values

[wind]

Almost there:

use strict;
use warnings;

my %hash;
open my $fh, '<', 'abc.txt' or die $!;
while (<$fh>) {
    chomp;
    my ($key, $val) = split '\|';
    $hash{$val}++;
}

print "$_\n" for sort keys %hash;