Thanks nicolas,
I wanted to get the output of child_process to index page so,
In *data.js*
module.exports ={
var spawn = require('child_process').spawn,
ls = spawn('ls', ['-lh', '/usr']);
ls.stdout.on('data', function (data) {
return data;
});
ls.stderr.on('data', function (data) {
return data;
});
ls.on('exit', function (code) {
return code;
});
};
In *routes/index.js*
var data = require('../data.js');
exports.index = function(req, res){
res.render('index', { title: 'Profiles', data: data});
};
in *views/test.jade*
*
*
*ul#data*
*li #{data}*
*
*
I am not sure if this is the right approach to get the data to webpage and
even if its correct then I am getting following error,
var spawn = require('child_process').spawn,
^^^^^
SyntaxError: Unexpected identifier
Please suggest.
Thanks
On Saturday, February 9, 2013 4:30:02 PM UTC+11, nicolas wrote:
>
> Hello Suraj,
>
> I suspect that you have been using child_process.exec(). Look into
> child_process.spawn()<http://nodejs.org/api/child_process.html#child_process_child_process_spawn_command_args_options>
> .
> It returns an EventEmitter and allows you to add stdout, stderr and exit
> listeners that will be called asynchronously. Here is an excerpt from the
> node.js doc on how to use spawn():
>
> var spawn = require('child_process').spawn,
> ls = spawn('ls', ['-lh', '/usr']);
>
> ls.stdout.on('data', function (data) {
> console.log('stdout: ' + data);});
>
> ls.stderr.on('data', function (data) {
> console.log('stderr: ' + data);});
>
> ls.on('exit', function (code) {
> console.log('child process exited with code ' + code);});
>
>
> On Friday, February 8, 2013 6:01:30 PM UTC-8, Suraj Singh Thapa wrote:
>>
>> Hi,
>>
>> * I have been exploring Node, Express and chiild_process since last few
>> days. I have a static module with data (some array) which now I know how to
>> show it to index page.
>>
>> * I can launch linux command and gets its output/error using
>> chile_process.
>>
>> Now I need to know, How can I constantly(Not to wait for process to
>> finish) get STDOUT of of command and pass it to index page.
>>
>> Any, suggestion would be helpful for beginners like me.
>>
>> Cheers,
>>
>
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