[Tutor] (no subject)

[Alan Gauld]

> I am trying to supply input to another program using
> pipes. I can read from it just fine, but writing to
> its stdin doesn't seem to be working. 

I'm guessing here so take with a pinch of salt...

> cmd = "listen.py"
> 
> #stdout, stdin
> r, w = popen2(cmd)
> 
> w.write("Message sent")

I think you need a newline on the end otherwise raw_input 
will not see it.

HTH,

Alan G.