#initialise browser object
    $browser = WWW::Mechanize->new(autocheck =>1, noproxy =>1);
    # Add cookie jar
    $browser->cookie_jar(HTTP::Cookies->new());
    $browser->agent_alias('Linux Mozilla');

....

$browser->get($collabnetArtifactURL);

	#Serach and follow the file / doc link in collabnet
		
    $tmpURL = $browser->find_link(tag=>'a',url_regex => qr/\/sf\/(docman|frs)\/do\/(downloadDocument|downloadFile)\/.*\/$artID/)->url_abs();
	
	$tmpURL.='/'.$collabnetFileVersion if ($collabnetFileVersion ne '');
	
	print "\n INFO: URL: $tmpURL";
	#print "\n ", Dumper($response) , "\n";
	
	$response = $browser->get($tmpURL);
		
    if ($browser->success()) 
    {
    	if ($collabnetFileName eq '')
    	{
    		$collabnetFileName = $response->filename() || $artID;
    	}
    	 
        $browser->save_content($collabnetFileName);
        
        if (-s $collabnetFileName)
        { 
            print "\n INFO: $collabnetFileName is downloaded";
        }
        else
        {
        	print "\n ERROR:  $collabnetFileName is NOT downloaded";
        }
    }
....