You can push as many times in the _transform stream as you like, including 0, and you can set an interval that comes back later and pushes, or you can opt to wait until _flush is called and then push.
If you're implementing a protocol parser and may need multiple chunks then you just consume the data, and then not push until you have enough data to act upon, and then push. In other words it doesn't need to be a 1:1 map of _transform to .push, but there does need to be a 1:1 map of _transform to done callbacks On Tue, Mar 4, 2014 at 1:05 PM, Jeremy Hubble <[email protected]>wrote: > Use case is an external service that may need more than one chunk of data > to perform its operation. > > An analogy would be in some unix commands. > > For example: > cat file.txt | grep someLongString > > In node, we get chunks at a time and need to return the result. > > Jeremy > > > > > On Tuesday, March 4, 2014 12:33:40 PM UTC-8, mscdex wrote: >> >> On Tuesday, March 4, 2014 2:45:11 PM UTC-5, Jeremy Hubble wrote: >>> >>> Is there a way to construct a transform pipe such that it can receive >>> multiple chunks before calling everything back? >>> >>> >> What's the use case? >> > -- > -- > 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 > > --- > You received this message because you are subscribed to the Google Groups > "nodejs" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- -- 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 --- You received this message because you are subscribed to the Google Groups "nodejs" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
