I *think* he wants to wait until the data is flushed to disc before returning a 201 or some such thing to an API client.
On Sep 24, 2012, at September 24, 20129:20 PM, Ben Noordhuis <[email protected]> wrote: > On Sun, Sep 23, 2012 at 6:52 PM, Andris Reinman > <[email protected]> wrote: >> What would be the best way to detect a file has been written to disk? Once I >> have passed all the data to a fs.WriteStream, the data is at first buffered >> by node and written to the disk asynchronously. There is no "end" or "close" >> event to listen to (or at least these don't trigger on my system (node >> v0.8.9)) when all bytes are actually written to the disk. >> >> The best I have come up to is to listen to the "drain" event and then >> compare writablestream.bytesWritten and the length of the data I sent to the >> stream. >> >> var len = 0; >> myReadStream.on("data", function(chunk){ >> myWriteStream.write(chunk); >> len += chunk.length; >> }); >> >> myWriteStream.on("drain", function(){ >> if(myWriteStream.bytesWritten == len){ >> console.log("All bytes written to disk"); >> } >> }); >> >> But this doesn't seem very future proof, what if the conditions for the >> 'drain' event with file write change one day? Is there a better way for >> this? > > Doesn't myReadStream.pipe(myWriteStream) work? > > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en
