【北楊】---pipe配管操作--ファイルコピー/貼り付け/圧縮--【NodeJS】

//      pipe
const fs=require('fs')
let read=fs.createReadStream('./events.js')//       
let  writestream=fs.createWriteStream('./events4.js')////       
read.pipe(writestream)

const zlib = require('zlib');
//     
const fs = require('fs');
const gzip = zlib.createGzip();
//         
const inp = fs.createReadStream('./1.png');
const out = fs.createWriteStream('./1.png.zip');

inp.pipe(gzip).pipe(out);