// Define constants and variables
var wbemFlagReturnImmediately = 0x10;
var wbemFlagForwardOnly       = 0x20;
var jsCrLf                    = String.fromCharCode( 13, 10 );
var jsTab                     = String.fromCharCode(      9 );
var jsQuote                   = String.fromCharCode(     34 );
var strMsg                    = "";

// Check command line parameters
objArgs = WScript.Arguments;
// Default is local computer
if ( objArgs.length == 0 ) {
	// Check local computer name
	try {
		var objWMIService0 = GetObject( "winmgmts://./root/cimv2" );
	}
	catch( error ) {
		strMsg = jsCrLf + "Error # " + error + jsCrLf;
		Syntax( );
	}
	finally {
		try {
			var colItems0 = objWMIService0.ExecQuery( "SELECT * FROM Win32_ComputerSystem", null, 48 );
		}
		catch( error ) {
			strMsg = jsCrLf + "Error # " + error + jsCrLf;
			Syntax( );
		}
		finally {
			var enumItems0 = new Enumerator( colItems0 );
			for ( ; !enumItems0.atEnd(); enumItems0.moveNext() ) {
				objItem = enumItems0.item( );
				strComputer = objItem.Name
			}
		}
	}
}
// Single argument, either computer name or /?
if ( objArgs.length == 1 ) {
	strComputer = objArgs(0).valueOf( ).toUpperCase( );
	if ( strComputer.indexOf( "?" ) > 0 ) Syntax( );
	if ( strComputer.indexOf( "/" ) > 0 ) Syntax( );
}
// No more than 1 argument allowed
if ( objArgs.length >  1 ) Syntax( );


// Header line for screen output
strMsg = jsCrLf + "Computer Name" + jsTab + "CPU ID" + jsTab + "Load Percentage" + jsCrLf

// Connect to specified computer
try {
	var objWMIService = GetObject( "winmgmts://" + strComputer + "/root/CIMV2" );
}
catch( error ) {
	strMsg = jsCrLf + "Error # " + error + jsCrLf;
	Syntax( );
}
finally {
	// Query processor properties
	try {
		var colItems = objWMIService.ExecQuery( "SELECT * FROM Win32_Processor", "WQL", wbemFlagReturnImmediately | wbemFlagForwardOnly );
	}
	catch( error ) {
		strMsg = jsCrLf + "Error # " + error + jsCrLf;
		Syntax( );
	}
	finally {
		var enumItems = new Enumerator(colItems);
		for ( ; !enumItems.atEnd(); enumItems.moveNext( ) ) {
			var objItem = enumItems.item( );
			strMsg += strComputer + jsTab + objItem.DeviceID + jsTab + objItem.LoadPercentage + jsCrLf + jsCrLf;
		}
	}
}

WScript.Echo( strMsg );

// Done
WScript.Quit(0);


function Syntax( ) {
	strMsg += jsCrLf + "CPULoadTD.js,  Version 1.00 for WSH 1.0" + jsCrLf;
	strMsg += "Display CPU load percentage for each processor on any computer on the network";
	strMsg += jsCrLf + "in tab delimited format";
	strMsg += jsCrLf + jsCrLf;
	strMsg += "Usage:  CSCRIPT  //NoLogo  CPULOADTD.JS  [ computername ]";
	strMsg += jsCrLf + jsCrLf;
	strMsg += "Where:  " + jsQuote + "computer_name" + jsQuote;
	strMsg += " is the optional name of a remote" + jsCrLf;
	strMsg += "        computer (default is local computer ";
	strMsg += "name)" + jsCrLf + jsCrLf;
	strMsg += "Written by Rob van der Woude" + jsCrLf;
	strMsg += "http://www.robvanderwoude.com" + jsCrLf + jsCrLf;
	strMsg += "Created with Microsoft's Scriptomatic 2.0 tool" + jsCrLf;
	strMsg += "http://www.microsoft.com/downloads/details.aspx?" + jsCrLf;
	strMsg += "    FamilyID=09dfc342-648b-4119-b7eb-783b0f7d1178+DisplayLang=en" + jsCrLf;
	WScript.Echo( strMsg );
	WScript.Quit(1);
}