On 9/7/06, Otto Moerbeek <[EMAIL PROTECTED]> wrote:
>
> On Thu, 7 Sep 2006, AndrC)s wrote:
>
> > egrep shouldn't find anything, you are searching for the string "" in
> > "some text here", clearly, it isn't there.
>
> Nah, an empty search pattern should match any line, as defined by SU
> and the man page. The only problem is if the -x option takes
> precendence or not. SU does not say a word about that.
>
> If anybody has access to a Solaris machine, I like to know what the
> test does there.
>
>         -Otto


" The following option is  supported  for  /usr/xpg4/bin/egrep
     only:

     -x    Consider only input lines that use all  characters  in
           the  line  to  match an entire fixed string or regular
           expression to be matching lines."

$ alias egrep=/usr/xpg4/bin/egrep
$ echo "some text here" | egrep -x "" ; echo $status

$

SunOS 5.9.

ddp

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