gistfile1.js

   var move = function (source, dest) {
        var log = (function(dest) {
            return function(source) {
                return 'Moving ' + source + ' to ' + dest;
            };
        })(dest);
        gulp.src(source)
            .pipe(newer(dest))
            .pipe(print(log))
            .pipe(gulp.dest(dest));
    },