# This Perl code searches the global catalog

# ---------------------------------------------------------------
# Adapted from VBScript code contained in the book:
#      "Active Directory Cookbook" by Robbie Allen
# Publisher: O'Reilly and Associates
# ISBN: 0-596-00466-4
# Book web site: http://rallenhome.com/books/adcookbook/code.html
# ---------------------------------------------------------------

# ------ SCRIPT CONFIGURATION ------
my $strBase    =  "<GC://<BaseDN>>;";
my $strFilter  = "<Filter>;";
my $strAttrs   = "<AttrList>;";
my $strScope   = "<Scope>";
# ------ END CONFIGURATION ---------
use Win32::OLE;
$Win32::OLE::Warn = 3;
my $objConn = Win32::OLE->CreateObject("ADODB.Connection");
$objConn->{Provider} = "ADsDSOObject";
$objConn->Open;
my $objRS = $objConn->Execute($strBase . $strFilter . $strAttrs . $strScope);
$objRS->MoveFirst;
while (not $objRS->EOF) {
    print $objRS->Fields(0)->Value,"\n";
    $objRS->MoveNext;
}