#!/usr/bin/perl -w
#==============================================================
# GetDirHierarcy.pl
#==============================================================
use strict;
use warnings;
use Net::FTP;

my $host = 'your.ftp.server';
my $uid = 'user_id';
my $pwd = 'pa$$word';

my $ftph = Net::FTP->new($host) or die "Can't connect to $host";
$ftph->login($uid,$pwd) or die "Can't login";


&GetFiles(".");
$ftph->quit;

sub GetFiles {
    my $pref = shift;
    # NOTE: Assumes UNIX ls format!
    #my @DirList = grep {/^d/} $ftph->ls;
    my @DirList = $ftph->dir;
    for my $DirEnt (@DirList) {
        next if $DirEnt !~ /^d/;
        my $DirName = (split / +/, $DirEnt, 9)[8];
        my $newpref = $pref . '/' . $DirName;
        print "mkdir $newpref;\n";
        $ftph->cwd($DirName);
        GetFiles($newpref);
        $ftph->cwd("..");
    }
}


##</code><code>##

$ ./GetDirStruct.pl
mkdir ./Files;
mkdir ./Files/Bar;
mkdir ./Files/Bar/Baz;
mkdir ./Files/Foo;
mkdir ./Inquiry;
mkdir ./NpcIN;
mkdir ./Processing;
mkdir ./Security;
mkdir ./Sysmenu;