From: Michael Shigorin <mike@osdn.org.ua>
To: ALT Linux sysadmin discuss <sysadmins@lists.altlinux.org>
Subject: [Sysadmins] [JT] Re: странности с grep
Date: Fri, 24 Jul 2009 23:02:55 +0300
Message-ID: <20090724200254.GB28185@osdn.org.ua> (raw)
In-Reply-To: <200907171425.59247.ledest@gmail.com>
On Fri, Jul 17, 2009 at 02:25:59PM +0300, Led wrote:
> > Интересно, а можно ли в grep/egrep использовать альтернативу?
> > Например, для того, чтобы убрать строки с комментариями и
> > пустые строки можно применить последовательно два grep:
> > $ grep -v '^[[:space:]]#' | grep -v '^$'
> > Но в одной команде:
> > $ grep -v '^[[:space:]][#$]'
> > Не работает...
> egrep -v '^($|[[:blank:]]*#)'
> а что, учебники/документацию/мануалы уже отменили?
Может, и не отменили, но мне по жизни удобней настучать конвейер,
чем наморщить лоб на одним выражением. :)
--
---- WBR, Michael Shigorin <mike@altlinux.ru>
------ Linux.Kiev http://www.linux.kiev.ua/
next prev parent reply other threads:[~2009-07-24 20:02 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-17 9:48 [Sysadmins] " Victor Sinyawsky
2009-07-17 9:55 ` Max Ivanov
2009-07-17 10:38 ` Victor Sinyawsky
2009-07-17 11:43 ` Kharitonov A. Dmitry
2009-07-17 11:55 ` Victor Sinyawsky
2009-07-17 12:02 ` Kharitonov A. Dmitry
2009-07-17 9:56 ` Dmitry V. Levin
2009-07-17 10:09 ` Kharitonov A. Dmitry
2009-07-17 10:55 ` Victor Sinyawsky
2009-07-17 11:20 ` Rinat Bikov
2009-07-17 11:25 ` Led
2009-07-24 20:02 ` Michael Shigorin [this message]
2009-07-25 0:15 ` Mykola S. Grechukh
2009-07-25 7:18 ` Michael Shigorin
2009-07-28 20:13 ` [Sysadmins] [JT] " Kharitonov A. Dmitry
2009-07-17 11:36 ` [Sysadmins] " Kharitonov A. Dmitry
2009-07-17 11:20 ` Led
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