code: function(callback) {
              if (file.isDirectory()) {
                callback();
                return;
              }
  
              grunt.log.write(wrap('f--------- /' + file.dest));
              ftpout.put(file.src, file.dest, function(err) {
                if (err) { done(err); }
                grunt.log.writeln(wrapRight('[SUCCESS]').green);
                callback();
              });
            }
docs: Upload files