[LAU] MIDI to systemcommand, exute script etc.

Ken Restivo ken at restivo.org
Tue Nov 11 17:59:04 EST 2008


On Mon, Nov 10, 2008 at 06:08:41PM +0100, Dominic Sacré wrote:
> On Saturday 08 November 2008 22:31:51 Nils Gey wrote:
> > Do you know any ways to receive midi events to start programms, execute
> > shell-scripts or using other things you normaly do with your
> > computer-keyboard and shortcuts?
> 
> This is one of the things mididings (http://das.nasophon.de/mididings/) was 
> made for.
> For example, the following Python script would listen on an ALSA MIDI port, 
> and run different shell commands in response to note-on events:
> 
> from mididings import *
> 
> run(
>     Filter(NOTEON) >> KeySplit({
>         60: System('foo'),
>         61: System('bar'),
>         ...
>     })
> )


I haven't used Python in a while, but what does that ">>" syntax do? A binary shift right?

-ken



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