#!/usr/bin/perl use strict; use CGI qw/:standard/; use CGI::Carp qw(fatalsToBrowser); print header(); #######test 1 my @dates = qw(02/01/2009 01/31/2009 01/01/2009 01/31/2009 02/20/2009 02/20/2009 02/20/2009 02/20/2009 02/01/2009 ); my %count = (); my $c=0; foreach my $date (@dates) { $c++; $count{$date}++; print "$c - $count{$date} - $date
\n"; } #### 4 times 02/20/2009 2 times 02/01/2009 2 times 01/31/2009 1 times 01/01/2009