Instructions for the fs.link method in node.js

method description:

Create hard links.

syntax:

fs.link(srcpath, dstpath, [callback(err)])

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:

srcpath               is the path to the source directory or file

dstpath             it is the path to the converted directory, which defaults to the current working directory

callback           callback, passing an err exception parameter

source code:

fs.link = function(srcpath, dstpath, callback) {

  callback = makeCallback(callback);

  if (!nullCheck(srcpath, callback)) return;

  if (!nullCheck(dstpath, callback)) return;

  binding.link(pathModule._makeLong(srcpath),

               pathModule._makeLong(dstpath),

               callback);

};