use strict;
use warnings;

# Function to format a time: YYYY-MM-DD HH:MM:SS
sub mydatetime
{
    my $time = shift;
    my ($s, $m, $h, $d, $mon, $y) = localtime $time;
    sprintf "%04d-%02d-%02d %02d:%02d:%02d", $y+1900, $mon+1, $d, $h, $m, $s;
}

my $source_directory = 'E:\\common\compare\latest folder\PDF\DB\\';

# Read directory contents into array @paths.
opendir my $dh, $source_directory or die "error: open '$source_directory': $!";
my @paths = grep { $_ ne '.' && $_ ne '..' } readdir $dh;
closedir $dh;

print "Contents of dir '$source_directory':\n";
for my $p (@paths) {
    my $fullpath = $source_directory . $p;
    my ($size, $modtime) = (stat $fullpath)[7,9];
    my $type = -d $fullpath ? "directory" : "$size bytes";
    printf "%-20.20s: %s (%s)\n", $p, mydatetime($modtime), $type;
}

##</code><code>##

Contents of dir 'E:\common\compare\latest folder\PDF\DB\':
abc.txt             : 2015-01-16 16:33:09 (5 bytes)
somedir             : 2015-01-16 16:58:18 (directory)
xyz.txt             : 2015-01-16 16:58:42 (42 bytes)