From: Eliot Moss <moss@cs.umass.edu>
To: cygwin@cygwin.com
Subject: Re: bug with grep 3.0.2 in cygwin 3.0.7
Date: Wed, 28 Aug 2019 12:51:00 -0000 [thread overview]
Message-ID: <ce0890bd-f1b1-5a77-4999-9793d9a0df25@cs.umass.edu> (raw)
In-Reply-To: <1207614124.1217647925.1566976580120.JavaMail.root@zimbra76-e14.priv.proxad.net>
On 8/28/2019 3:16 AM, akiki@free.fr wrote:
> 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
>
>
> I have to backslash ^ to be OK like : grep -E 'a\^b'
>
>
> Is-it a bug ?
> I don't know if all versions of cygwin and grep are concerned.
From my reading of the man page, it's either a program bug or a
documentation bug. It could well be the latter since -E extended
regular expressions require a number of other metacharacters to
be backslash quoted. However, the documentation does not mention
the ^ metacharacter.
Regards - EM
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next prev parent reply other threads:[~2019-08-28 12:44 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1910922536.1217465852.1566975322390.JavaMail.root@zimbra76-e14.priv.proxad.net>
2019-08-28 8:32 ` akiki
2019-08-28 12:51 ` Eliot Moss [this message]
2019-08-28 13:33 ` Eric Blake
2019-08-29 19:20 ` Andrey Repin
2019-08-30 6:12 ` Eliot Moss
2019-08-30 7:48 ` Brian Inglis
2019-08-30 15:34 ` Eliot Moss
2019-08-30 7:50 ` Duncan Roe
2019-08-30 13:04 ` Jose Isaias Cabrera
2019-08-30 7:55 ` Andrey Repin
2019-09-23 14:42 ` Chris Wagner
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