On Thu, Jun 14, 2012 at 04:13:12PM +0200, Gorka Guardiola wrote:
> Also this:
> 
> cpu%  echo hola | grep '*'
> grep: *: syntax error

The plan9 regexp are mainly Extended Regular Expression. If the POSIX
description is taken, a leading '*' is a syntax error. I guess that the
leading '*' followed by some non empty pattern is a Plan9 way to get
"grep -F" ?

> cpu%  echo hola | grep ''
> grep: empty pattern

>From the POSIX description, an empty pattern is not allowed. '*' is not
an empty pattern.

-- 
        Thierry Laronde <tlaronde +AT+ polynum +dot+ com>
                      http://www.kergis.com/
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