On Thu, Jun 14, 2012 at 10:49:51AM -0400, erik quanstrom wrote:
> >
> > > cpu% echo hola | grep ''
> > > grep: empty pattern
> >
> > From the POSIX description, an empty pattern is not allowed. '*' is not
> > an empty pattern.
>
> i'm sorry this just isn't correct. see the man page.
>
> plan 9 grep has no intentions of being posix. grep '*' can be seen as a
> literal
> escape plus the pattern of ''. this is an empty pattern, thus an error.
In this case, shouldn't the error message be exactly the same?
--
Thierry Laronde <tlaronde +AT+ polynum +dot+ com>
http://www.kergis.com/
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