node.js批量修改图片名

   1: "use strict";

   2:  

   3: var fs = require('fs');

   4:  

   5: var args = process.argv.splice(2);

   6: var fileDirectory = args[0] || 'xxx';

   7:  

   8: if (fs.existsSync(fileDirectory)) {

   9:     var files = fs.readdirSync(fileDirectory);

  10:  

  11:     files.forEach(function(file) {

  12:         var filePath = fileDirectory + "/" + file;

  13:         

  14:         if (/\.jpg$/.test(file)) {

  15:             var fileName = file.replace(/(\-)(\d+)(\_s\.jpg)/, function() {    

  16:                 return arguments[1] + ((arguments[2] | 0) + 1714) + arguments[3];

  17:             });

  18:  

  19:             var newFilePath = fileDirectory + "/" + fileName;

  20:  

  21:             fs.rename(filePath, newFilePath, function(err) {

  22:                 if (err) throw err;

  23:  

  24:                 console.log(fileName + ' ok~');

  25:             });

  26:         }

  27:     });

  28:  

  29: } else {

  30:     console.log(fileDirectory + "  Not Found!");

  31: }