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@dongyuwei
Created April 13, 2012 04:31
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nodejs stream tail -f to web browser
var express = require('express'), spawn = require('child_process').spawn;
var app = express.createServer();
app.use(app.router);
var tail;
app.get('/tail', function(req, res) {
res.header('Content-Type','text/html;charset=utf-8');
tail = spawn('tail', ['-f', './test.log']);
tail.stdout.on('data', function(data) {
console.log('stdout: ' + data);
res.write(data, 'utf-8');
});
tail.stderr.on('data', function(data) {
console.log('stderr: ' + data);
res.write(data, 'utf-8');
});
tail.on('exit', function(code) {
console.log('child process exited with code ' + code);
res.end(code);
});
});
app.listen(8080);
console.log('server ' + process.pid + ' running on 8080 port...');
@dongyuwei
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nodejs chunked 输出时'Content-Type'头必须有charset,如'Content-Type': 'text/html;charset=utf-8' ,否则浏览器不渲染. 和数据是否有1024字节没有关系,firefox11.0, chrome18.0.1025.162, IE6下测试过

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