yy_displayfile/index.js

#!/usr/bin/env node

let params  =process.argv[2]&&process.argv[2];

const path=require('path');

const fs=require('fs')

let url=params?path.join(__dirname,params):process.cwd();

function displayFile(url){
    //判断当前路径是否存在
    if(fs.existsSync(url)){
        let list=fs.readdirSync(url);
        list.forEach(item=>{
            let file=path.join(url,item);
            if(fs.statSync(file).isDirectory()){
                displayFile(file)
            }else{
                let ext=path.extname(file).slice(1);
                let {size}=fs.statSync(file);

                process.stdout.write(`${item},${size},${ext}\n`)
            }
        })
    }else{
        console.log("当前路径不存在")
    }
}

displayFile(url)