Here is an example of how you would get the users and groups for a win2k domain (or computer if that is what you want). You can do strange things like figure out what users are in what groups, but that seems to be covered in some of the other links.

#!/usr/bin/perl -w
 
use strict;
use warnings;

use Win32;
use Win32::OLE 'in';



my @users = &getUsers();

print "Users: \n";
print "\t", join("\n\t", @users) , "\n";

my @groups = &getGroups();

print "Groups: \n";
print "\t", join("\n\t", @groups) , "\n";


sub getGroups
{
    my $domainurl = "WinNT://" . ( shift || Win32::NodeName  );

    my $domain = Win32::OLE->GetObject($domainurl)
        || die( Win32::OLE->LastError . "\n");

    $domain->{Filter} = ["group"];

    my @groups;
    
    for my $group ( in $domain ) 
    {
        $groups[@groups] = $group->name;
    }
    return @groups;
}

sub getUsers
{
    my $domainurl = "WinNT://" . ( shift || Win32::NodeName );

    my $domain = Win32::OLE->GetObject($domainurl) 
        || die( Win32::OLE->LastError . "\n" );

    $domain->{Filter} = ["user"];

    my @users;
    
    for my $user ( in $domain ) 
    {
        $users[@users] = $user->name;
    }
    return @users;
}
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