use strict;
use warnings;

use Archive::Tar;
use File::Path qw(make_path);
use File::Basename qw(dirname);
use File::Spec::Functions qw(catdir);

my $input = "libpst.tar.gz";
my $tar   = Archive::Tar->new($input);
my @files = $tar->list_files;

foreach my $file (@files) {

    my $content = $tar->get_content($file);
    next if not defined $content;    # is a dir

    # do something with the $content of the file

    my $file_name = catdir("path", $file);
    my $dir_name  = dirname($file_name);

    if (not -d $dir_name) {
        make_path($dir_name) or die "$0: Can't create path $dir_name: $!";
    }

    open my $fh, '>', $file_name or die "$0: Can't open file $file: $!";
    print {$fh} $content;
    close $fh;
}