[PD] OSX - Send PD messages from Terminal?

Claude Heiland-Allen claudiusmaximus at goto10.org
Mon Nov 28 17:21:20 CET 2005


Pd comes with 'pdsend'.  You use it in the same way as your 'packet 
injector', with a [netrecieve] in the Pd patch.

Extract from the manual page:

        Pdsend  sends  messages to pd(1), via a socket conection, from 
pdsend's standard input.  This input can be any stream of Pd messages 
separated by  semicolons.   This  is  probably the easiest way to 
control pd from another application. ...

Where 'pdsend' is on an OSX system, I don't know (sorry) - compiled from 
source on Linux it is at '/usr/local/bin/pdsend'.


Ryan Supak wrote:
> Hi PeeDee list,
> I've got a bit of a broad-based question here.  I use a terrific piece 
> of software called Quicksilver that does a lot of things, but basically 
> it allows you to do tasks with files quickly and in an extremely elegant 
> manner.  One task it allows you to do is to invoke shell scripts.
> I use PD as a pretty intricate MIDI switcher for Ableton Live, and 
> basically I never look at PD when I play -- I rarely even look at the 
> Ableton screen.  As the intricacy of the MIDI patching has increased, 
> one task that has become increasingly difficult to manage is PD patch 
> switching.  The solution I have decided on to handle switching, from now 
> on, is to type a string of a few letters and numbers into Quicksilver 
> and have it change the patch accordingly.
> ***
> So -- Basically, I would like to invoke a shell script, and have it 
> instantly send a message to PD.  The best solution I've come up with is 
> to use [netreceive] to catch some packets, and use a command-line 
> "packet injector" program called Nemesis to send the packets into PD.
> Can anybody think of a simpler, or lighter weight, method of sending PD 
> messages from a command line or shell script?  Here's a diagram of the 
> "missing links":
> OSX Terminal -> SomeCommandLineMethodOfSendingMessagesToPd -> 
> [SomeMessageReceiverPdObject]
> Thanks for any thoughts!
> rs
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