var filesInProgress = 0,
fancyCallback =
allDone = function(){ // boom}
files.forEach( function(filename){
filesInProgress++
exec('ls '+filename,function(err, stdout, stderr){
filesInProgress--;
//do something with it
if(filesInProgress === 0) allDone();
})
})
no timer needed.
in fact only fs has sync versions of its functions and i think it's only
for loading files at startup, files like configuration.
Am Donnerstag, 14. März 2013 21:32:18 UTC+1 schrieb Sebi:
>
> Many functions in NodeJS have a Sync pendant to the non-blocking functions.
> Why is there no blocking pendant in the child_process module?
>
> I've giving up as I tried to iterate over a directory and call for every
> file
> child.exec....
>
> how should my app now, that every process completed his task?
> I'm going to run in trouble, because to use a timer to check that seems to
> be not a powerful resolution.
>
> Think there should be a sync pendant in the core child module....
>
> Sometimes you're going to the "callback" hell...
>
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