#!/usr/bin/perl use strict; use Date::Calc qw(Delta_Days); my $origd1 = "01-02-2015"; my $origd2 = "05-06-2015"; my @a = split(/-|-/, $origd1, 3); my @b = split(/-|-/, $origd2, 3); my @c = join ( ',', reverse @a ); my @d = join ( ',', reverse @b ); print "@c\n"; print "@d\n"; my $difference = Delta_Days(@c, @d); print "Difference is $difference\n"; #### 2015,02,01 2015,06,05 Date::Calc::PP::Delta_Days(): Usage: Date::Calc::Delta_Days($year1,$month1,$day1,$year2,$month2,$day2) at ./date_test.pl line 17