cp.js
function(linkString, callback) {
      fs.exists(_toFile, function (exists) {
        callback(null, exists, linkString);
      });
    }
function(linkString, callback) {
      fs.exists(_toFile, function (exists) {
        callback(null, exists, linkString);
      });
    }
function ( linkString , callback ) { fs . exists ( _toFile , function ( exists ) { callback ( null , exists , linkString ) ; } ) ; }
Check if the copied symlink already exists in destination folder
Check if the copied symlink already exists in destination folder