Yeah when I was talking about read(n) I mean new streams, you could do a similar dance for old streams but there would be more buffering if pause is not respected.
On Wed, Dec 19, 2012 at 2:51 AM, Alex <[email protected]> wrote: > Hi Raynos, > Thank you for your reply. I just want to confirm: did you mean the .pipe() > from the new streams, i.e. > https://github.com/joyent/node/blob/master/lib/_stream_readable.js#L296? > > On Wednesday, December 19, 2012 2:42:46 AM UTC-5, Raynos wrote: > >> Look at the implementation of pipe. Rewrite it so that it reads from >> multiple inputs. >> >> The key points here is calling read with a fixed n and then calling write >> on the output with a list of buffers. >> >> If any readable stream returns less then n keep the chunks around until >> that stream is readable then alter your read(n) calls to get up to your n >> again and then call write. >> >> Pipe's default logic is to end the writable when the first readable ends. >> You may want to change that. >> >> >> On Tue, Dec 18, 2012 at 7:10 PM, Alex <[email protected]> wrote: >> >>> Hi all, >>> >>> I am trying to synchronize multiple read Streams so that I can process >>> equivalent bytes from them. For example, if there are multiple input >>> streams created with fs.createReadStream(), I need to process bytes from >>> the same position in all the files into a new value that is written to an >>> output write Stream. I'm trying not to use Buffers, because I want to >>> handle a potentially large amount of data. I could use fs.read() for the >>> case of input files and just read from the same position in each file, but >>> I want this to be general and operate on generic streams that are not >>> necessarily formed from a file. >>> >>> Is this possible? Are there any solutions out there that have the same >>> or similar functionality? >>> >>> Thanks in advance for any help. >>> >>> >>> -- >>> Job Board: http://jobs.nodejs.org/ >>> Posting guidelines: https://github.com/joyent/**node/wiki/Mailing-List-* >>> *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 >>> nodejs+un...@**googlegroups.com >>> >>> For more options, visit this group at >>> http://groups.google.com/**group/nodejs?hl=en?hl=en<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 > -- 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
