On Aug 13, 2008, at 3:13 PM, Thomas Luedeke wrote:

> Sorry, one last clarification.  If I write a three line code running  
> the
> same  input file, using the same system command, it runs to  
> completion.
> So something with regards to the lengthy script is interfering with  
> the
> process.  Is this indicative of a memory issue?
> -- 


What's the termination status in $?. That may tell you why your  
subprocess died.



Dave