1 var path = require('path');
3 module.exports = function(npath, ext) {
4 if (typeof npath !== 'string') return npath;
5 if (npath.length === 0) return npath;
7 var nFileName = path.basename(npath, path.extname(npath))+ext;
8 return path.join(path.dirname(npath), nFileName);