grace-rename-file/replace-name.js

按照关键词给路径下的文件修改名称

#!/usr/bin/env node
var program = require("commander");
const chalk = require("chalk");
const inquirer = require("inquirer");
const fs = require("fs");
var _path = require("path");
program
  .version("0.0.1")
  .option("-l, --list [list]", "list of customers in CSV file")
  .parse(process.argv);
let dir = program.args[0];

const config = [
  {
    type: "input",
    name: "filePath",
    message: chalk.green("请输入文件路径："),
  },
  {
    type: "input",
    name: "keyWords",
    message: chalk.green("请输入重命名标识："),
  },
];

inquirer.prompt(config).then((config) => {
  rename(config);
});

function rename(config) {
  fs.readdir(config.filePath.trim(), (err, data) => {
    if (err) throw err;
    // filter hidden file .DS_Store
    const newData = data.filter((item, index) => {
      let reg = /^(?=[^\.])/;
      return reg.test(item);
    });

    // saveSuffix name
    const suffixList = newData.map((item, index) => {
      return getSuffixList(item);
    });

    newData.forEach((item, index) => {
      const withoutSuffix = config.filePath.trim();
      let oldPath = _path.join(withoutSuffix, item).split(_path.sep).join("/");
      let newPath = `${withoutSuffix}/${config.keyWords}${index}${suffixList[index]}`;

      fs.rename(oldPath, newPath.split(_path.sep).join("/"), (err) => {
        if (err) throw err;
        console.log(chalk.green("success"));
      });
    });
  });
}

// 获取文件后缀  以.结尾
function getSuffixList(str) {
  var reg = new RegExp(/\.(\w+)$/);
  return reg.exec(str)[0];
}