#!/usr/bin/perl
use strict;
use POSIX qw(strftime);
use Date::Calc qw( Today Add_Delta_Days);

my $older_than = 45;


# get todays date:::
my $file_date = sprintf "%04d%02d%02d", Today();

my $current_dir = "alldir";

my $exp_dir_date = sprintf "%04d%02d%02d",Add_Delta_Days( Today(), -45 );

my $dir_name = strftime("%Y%m%d",localtime(time));

# when this runs, it will create a new dir in alldir directory.

unless(-e $current_dir."/".$dir_name or mkdir ($current_dir."/".$dir_name, 0755)) {
        die "Unable to create $current_dir."/".$dir_name\n";
    }

print "\n**\n";

#now open $current_dir and read its content deleting any directory older than 45 days

my @files = </$current_dir/*>;

foreach my $filename (@files) {
    next unless (-d $filename); # this is only letting dirs get past
    if ( int( -M $filename) > $older_than) {
        print"dir is old:$filename\n";#print what is deleted here.
        # test what you are going to delete 
        #&erase_directory ($filename); # after test uncomment this
        #rmdir $filename; # after test uncommnet this

    }
}

sub erase_directory {
    my $directory = shift @_;
    my @files = <$directory/*>;
    foreach (@files){
        unlink "$_";
    }
}