#!/usr/bin/perl use warnings; use strict; use feature qw{ say }; my %counts; while (<>) { my @species = split; my @numbers = split ' ', <>; warn "Different number of columns at line $.!" if @species != @numbers; for my $i (0 .. $#species) { push @{ $counts{ $species[$i] } }, $numbers[$i]; } } for my $spec (keys %counts) { say $spec; for my $count (@{ $counts{$spec} }) { say $count; } } #### ($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord }map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,