foreach ';' MACRO (';' LIST)*

Macro

/**
 * Map a value from a list to a new value, providing the value and the index
 */

static String	_foreach	= "${foreach;<macro>[;<list>...]}";
public String _foreach(String args[]) throws Exception {
	verifyCommand(args, _foreach, null, 2, Integer.MAX_VALUE);
	String macro = args[1];
	List<String> list = toList(args,2, args.length);
	List<String> result = new ArrayList<String>();
	
	int n = 0;
	for ( String s : list) {
		String invoc = process("${" + macro +";" + s +";" + n++ +"}");
		result.add(invoc);
	}

	return Processor.join(result);
}