pipe handling errors

Tue Jul 15 19:17:00 GMT 2014

From: Nellis, Kenneth
<snip>
> Well, I'm getting different results with the latest snapshot. 
> Instead of getting the error message, I'm getting a hang for maybe a minute before it continues.
>> I used the following command to encourage a failure:
>> clear; for f in $(find */Debug -name '*Subsystem'); do echo === $f ===; strings $f | grep '\.cpp$' | sort | uniq -c | sort -n; done
<snip>
Thought it might be useful to add that I can fairly easily get the same 
minute-long hang with a simpler command:
Cygwin64> strings *Subsystem | wc -l
--Ken Nellis