Date: Thu, 29 Jun 2000 11:16:05 +0300 From: Ruslan Ermilov <ru@sunbay.com> To: Dan Larsson <dl@tyfon.net> Cc: questions@freebsd.org Subject: Re: egrep bug in FreeBSD-3.2S? Message-ID: <20000629111605.E10869@sunbay.com> In-Reply-To: <NEBBJANJCNNAKCPFKHHFOEOACHAA.dl@tyfon.net>; from dl@tyfon.net on Thu, Jun 29, 2000 at 10:07:50AM %2B0200 References: <NEBBJANJCNNAKCPFKHHFOEOACHAA.dl@tyfon.net>
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On Thu, Jun 29, 2000 at 10:07:50AM +0200, Dan Larsson wrote:
> -> Why doesn't the following work:
>
> echo 100.200.300.400 | egrep -e '^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$'
>
> (I've also tried the regexp escaping the repetition operators with the same result)
>
> -> when this does:
>
> echo 100.200.300.400 | egrep -e '^[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*$'
>
> Is it a bug in egrep? The regexp works on FreeBSD-4.0S!
>
Because (as per manpage) "egrep is similar (but not identical) to grep -E".
Add -E flag. Recent versions of GNU grep treat `egrep as grep -E'.
Cheers,
--
Ruslan Ermilov Oracle Developer/DBA,
ru@sunbay.com Sunbay Software AG,
ru@FreeBSD.org FreeBSD committer,
+380.652.512.251 Simferopol, Ukraine
http://www.FreeBSD.org The Power To Serve
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