popen2 question

[Lawrence D'Oliveiro]

In article <3026518.PBSJIyfHH0 at teancum>,
 David Bear <david.bear at asu.edu> wrote:

>I'm using popen2 and getting an extra 1 at the end of my output. I didn't
>see where this was explained in the docs so I clearly don't understand the
>behavior. My code is simple.
>
>(input, output) = os.popen2('whackyperlprogram')
>results = output.read()
>rc = output.close()
>print results

What if, for comparison, you try running a trivial program that produces 
no output:

(input, output) = os.popen2('/bin/true')
results = output.read()
rc = output.close()
print results

Do you still get the "1" at the end?