Instructions for the fs.renameSync method in node.js

method description:

Synchronous version of rename().

syntax:

fs.renameSync(oldPath, newPath)

Since this method belongs to the fs module, it is necessary to introduce the fs module (var fs= require(" fs "))

before using it

receive parameters:

oldPath                          

newPath                         new path

example:

var fs = require('fs');

fs.renameSync('125.txt','126.txt');

source code:

fs.renameSync = function(oldPath, newPath) {

  nullCheck(oldPath);

  nullCheck(newPath);

  return binding.rename(pathModule._makeLong(oldPath),

                        pathModule._makeLong(newPath));

};