in reply to Make unique hash of arrays?

Since I've been looking through List::AllUtils lately...

#!/usr/bin/perl use strict; # https://perlmonks.org/?node_id=11147618 use warnings; use List::AllUtils qw( uniq_by ); my @want = uniq_by { s/.*\n//r } do { local $/ = "//\n"; <DATA> }; print @want; __DATA__ nick AAAAAAAAAA BBBBBBBBBB // george EGRGERHTETEHTHR VFRTTHTRRHTE // andreas AAAAAAAAAA BBBBBBBBBB // thomas EWTRYTUYJTHT CEWWEQRWT$G // peter EGRGERHTETEHTHR VFRTTHTRRHTE //

Outputs:

nick AAAAAAAAAA BBBBBBBBBB // george EGRGERHTETEHTHR VFRTTHTRRHTE // thomas EWTRYTUYJTHT CEWWEQRWT$G //