#!perl use strict; use Time::Piece; use Time::Seconds; my $today = localtime; while (my $mdy = ){ chomp($mdy); my $dt = Time::Piece->strptime($mdy,"%m%d%Y"); my $age = int (($today - $dt) / ONE_DAY); print "$mdy $age\n"; } __DATA__ 11012014 11132014 10092014 09092014 11112015 01012015 04012015 01042011 10122014