node.js child_process simple operctor 2
[node.js] clied_process
simple operctor : ps -ax | grep ssh
var spawn = require('child_process').spawn, ps = spawn('ps', ['ax']), grep = spawn('grep', ['ssh']);ps.stdout.on('data', function (data) { grep.stdin.write(data);});ps.stderr.on('data', function (data) { console.log('ps stderr: ' + data);});ps.on('close', function (code) { if (code !== 0) { console.log('ps process exited with code ' + code); } grep.stdin.end();});grep.stdout.on('data', function (data) { console.log('' + data);});grep.stderr.on('data', function (data) { console.log('grep stderr: ' + data);});grep.on('close', function (code) { if (code !== 0) { console.log('grep process exited with code ' + code); }});