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Re: bug with grep 3.0.2 in cygwin 3.0.7
- From: Andrey Repin <anrdaemon at yandex dot ru>
- To: akiki at free dot fr, cygwin at cygwin dot com
- Date: Thu, 29 Aug 2019 22:08:11 +0300
- Subject: Re: bug with grep 3.0.2 in cygwin 3.0.7
- References: <1910922536.1217465852.1566975322390.JavaMail.root@zimbra76-e14.priv.proxad.net> <1207614124.1217647925.1566976580120.JavaMail.root@zimbra76-e14.priv.proxad.net>
- Reply-to: cygwin at cygwin dot com
Greetings, akiki@free.fr!
> Hi,
> I encounter some problem with grep option -E on cygwin 3.0.7
> echo "a^b" | grep "a^b" #answer a^b ie it's OK
> but
> echo "a^b" | grep -E "a^b" #answer nothing " for me it's KO
That's an expected result of an impossible constraint.
> I have to backslash ^ to be OK like : grep -E 'a\^b'
Yes.
> Is-it a bug ?
No.
> I don't know if all versions of cygwin and grep are concerned.
RTFM, this is regexp basics.
--
With best regards,
Andrey Repin
Thursday, August 29, 2019 22:07:04
Sorry for my terrible english...
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