[m-rev.] for review: filter gcc output

[Paul Bone]

On Sat, Jul 10, 2010 at 02:01:27AM +1000, Julien Fischer wrote:
> 	When filtering the output of gcc, ensure that fd 3 is actually
> 	open.  (It appears to work as written with full bash, but shells
> 	that are closer to just POSIX sh emit errors about bad file
> 	descriptors.)
>

It's useful to test with dash, The Debian Almquist Shell, It's useful for
testing the POSIX compliance of scripts.  (aptitude knows how to install it).

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