C warning that I can't seem to track down

Lennart Sorensen lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys at public.gmane.org
Wed Aug 9 19:02:50 UTC 2006


On Wed, Aug 09, 2006 at 02:12:02PM -0400, William Park wrote:
> It forces 'grep' to terminate if there is nothing coming through the
> pipe.  Otherwise, 'grep' will just sit there reading stdin.

xargs -r would have dealt with that.  On the other hand the case with
one argument and getting grep to list the filename does get solved with
/dev/null.  It solves the no arguments problem as a side effect really.

--
Len Sorensen
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