Is there a limit to os.popen()?

[cdecarlo]

Hello,

I'm not 100% sure on this but to me it looks like there is a problem in
your make file.  I would look in there first, see where 'cat' is
executed, I bet your problem will be around there.

Hope this helps,

Colin

Carl J. Van Arsdall wrote:
> I'm not sure the proper way to phrase the question, but let me try.
>
> Basically, I'm working with a script where someone wrote:
>
> kr = string.strip(os.popen('make kernelrelease').read())
>
>
> And then searches kr to match a regular expression.
>
> This seems to have been working, however lately when this line executes
> I get a number of messages to stderr after several minutes of execution:
>
> cat: write error: Broken pipe
> cat: write error: Broken pipe
> cat: write error: Broken pipe
>
>
> I know the output from this make has been growing (make applies some
> patches and the patch list is growing).  Does os.popen() have some kind
> of read buffer limit that i'm hitting which is causing things to break?
>
>
>
>
> --
>
> Carl J. Van Arsdall
> cvanarsdall at mvista.com
> Build and Release
> MontaVista Software