#!/usr/bin/env node
function stdinReadSync() {
var b = new Buffer(1024);
var data = '';
while (true) {
var n = require('fs').readSync(process.stdin.fd, b, 0, b.length);
if (!n) break;
data += b.toString(null, 0, n);
}
return data;
}
var s = stdinReadSync();
console.log(s.length);
(유래에서 촬영) 위의 코드에 실패하면 echo
, cat
, ls
로 공급하지만, curl
출력 실패하는 경우 잘 작동합니다.STDIN 읽기 일부 입력
$ echo abc | ./test.js
4
$ ls | ./test.js
1056
$ cat 1.txt | ./test.js
78
$ curl -si wikipedia.org | ./test.js
fs.js:725
var r = binding.read(fd, buffer, offset, length, position);
^
Error: EAGAIN: resource temporarily unavailable, read
at Error (native)
at Object.fs.readSync (fs.js:725:19)
at stdinReadSync (/home/ya/2up/api/stdinrd.js:8:29)
at Object.<anonymous> (/home/ya/2up/api/stdinrd.js:15:9)
at Module._compile (module.js:541:32)
at Object.Module._extensions..js (module.js:550:10)
at Module.load (module.js:456:32)
at tryModuleLoad (module.js:415:12)
at Function.Module._load (module.js:407:3)
at Function.Module.runMain (module.js:575:10)
(23) Failed writing body
왜? 어떻게 고치는 지?