Bi-directional communication with external programs?

[Helmut Jarausch]

Norbert Nemec wrote:
> Hi there,
> 
> can anybody help me on this: I want to communicate bidirectionally with a
> gnuplot session I spawned from python.
> 
> I.e.
> * popen3 for input/output/stderr
> * write one command
> * read and evaluate result
> * write next command
> * read and evaluate result
> etc.
> 

Maybe you want to use  ExpectPy  http://expectpy.sourceforge.net

-- 
Helmut Jarausch

Lehrstuhl fuer Numerische Mathematik
RWTH - Aachen University
D 52056 Aachen, Germany