ALT Linux sysadmins discussion
 help / color / mirror / Atom feed
From: "Kharitonov A. Dmitry" <kharpost@rambler.ru>
To: shigorin@gmail.com,
	 ALT Linux sysadmin discuss <sysadmins@lists.altlinux.org>
Subject: Re: [Sysadmins] [JT] Re: странности с grep
Date: Wed, 29 Jul 2009 00:13:58 +0400
Message-ID: <4A6F5C06.5090507@rambler.ru> (raw)
In-Reply-To: <20090724200254.GB28185@osdn.org.ua>

Michael Shigorin wrote:
> 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. :)
>   
Одно выражение работает в 2 раза быстрее, да и стучать меньше ;-)



  parent reply	other threads:[~2009-07-28 20:13 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           ` [Sysadmins] [JT] " Michael Shigorin
2009-07-25  0:15             ` [Sysadmins] " Mykola S. Grechukh
2009-07-25  7:18               ` Michael Shigorin
2009-07-28 20:13             ` Kharitonov A. Dmitry [this message]
2009-07-17 11:36         ` Kharitonov A. Dmitry
2009-07-17 11:20 ` Led

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4A6F5C06.5090507@rambler.ru \
    --to=kharpost@rambler.ru \
    --cc=shigorin@gmail.com \
    --cc=sysadmins@lists.altlinux.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

ALT Linux sysadmins discussion

This inbox may be cloned and mirrored by anyone:

	git clone --mirror http://lore.altlinux.org/sysadmins/0 sysadmins/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 sysadmins sysadmins/ http://lore.altlinux.org/sysadmins \
		sysadmins@lists.altlinux.org sysadmins@lists.altlinux.ru sysadmins@lists.altlinux.com
	public-inbox-index sysadmins

Example config snippet for mirrors.
Newsgroup available over NNTP:
	nntp://lore.altlinux.org/org.altlinux.lists.sysadmins


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git