#!/usr/bin/perl -w

use strict;

sub do_list {
        my($level, $base_path) = @_;
        my @list;

#       @list = <$base_path/*>;
#       for (@list) {
        while(<$base_path/*>) {
                print '>' x $level, ' ';
                print "$_\n";
                next if -l $_;
                if(-d "$_") {
                        do_list($level + 1, $_)
                }
        }
        $level--;
}

do_list(1, $ARGV[0] || '.');