rem: var sourceFile = Components.classes["component: 
add: var sourceFile = Components.classes["@mozilla.org/file/local;1"]. 
context: function rename(source, newName){    try {    var sourceFile = Components.classes["component://mozilla/file/local"].	createInstance(nsILocalFile);    sourceFile.initWithPath(source);        }    catch (e) {        dump("Could not create nsILocalFile\n");    }        try {        sourceFile.copyTo(null, newName);    }    catch (e) {        dump("error coping" + e + "\n");    }}
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/0257791053c2b38e1dfaf2ee11afae973e82e394/cp.js/clean/xpcom/tests/utils/cp.js