35 lines
1.0 KiB
JavaScript
35 lines
1.0 KiB
JavaScript
|
var parse = require('shell-quote').parse;
|
||
|
|
var exec = require('child_process').exec;
|
||
|
|
var path = require('path');
|
||
|
|
var echo = process.execPath + ' ' + path.join(__dirname, 'bin/echo');
|
||
|
|
var fs = require('fs');
|
||
|
|
|
||
|
|
module.exports = function (str, opts) {
|
||
|
|
var parts = parse(str);
|
||
|
|
for (var i = 0; i < parts.length; i++) {
|
||
|
|
if (parts[i].op) break;
|
||
|
|
}
|
||
|
|
if (i === parts.length) { // no ops
|
||
|
|
var w = fs.createWriteStream(str);
|
||
|
|
w.once('finish', function () { w.emit('exit', 0) });
|
||
|
|
w.once('error', function (err) { w.emit('exit', 1) });
|
||
|
|
return w;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (parts[parts.length-1].op === '|') {
|
||
|
|
str += echo;
|
||
|
|
}
|
||
|
|
if (parts[0].op === '|') {
|
||
|
|
str = echo + str;
|
||
|
|
}
|
||
|
|
if (parts[0].op === '>') {
|
||
|
|
str = echo + str;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
var p = exec(str, opts);
|
||
|
|
p.stderr.pipe(process.stderr, { end: false });
|
||
|
|
p.stdout.pipe(process.stdout, { end: false });
|
||
|
|
p.once('exit', function (code) { p.stdin.emit('exit', code) });
|
||
|
|
return p.stdin;
|
||
|
|
};
|