From: Victor Sinyawsky <victor@cas.ru> To: ALT Linux sysadmin discuss <sysadmins@lists.altlinux.org> Subject: Re: [Sysadmins] странности с grep Date: Fri, 17 Jul 2009 15:55:20 +0400 Message-ID: <200907171555.21022.victor@cas.ru> (raw) In-Reply-To: <4A6063D7.6070708@rambler.ru> On Friday 17 July 2009 15:43:19 Kharitonov A. Dmitry wrote: > Victor Sinyawsky wrote: > > On Friday 17 July 2009 13:55:08 Max Ivanov wrote: > >> ну чтобы tab заработал надо как минимум `echo -e` > >> _______________________________________________ > >> Sysadmins mailing list > >> Sysadmins@lists.altlinux.org > >> https://lists.altlinux.org/mailman/listinfo/sysadmins > > > > Да? А тогда почему же во фряхе > > > >> echo "\t#comment" | grep -v '^[ \t]*#' | wc -c > > > > 0 > > > >> uname > > > > FreeBSD > > > > > > А у меня: > > ~ $ echo "\t#comment" | grep -v '^[ \t]*#' | wc -c > > 10 > > ~ $ echo -e "\t#comment" | grep -v '^[ \t]*#' | wc -c > > 10 > > ~ $ uname -a > > Linux titania.cas 2.6.25-std-def-alt8.M41.4 #1 SMP Sat Dec 6 14:42:12 MSK > > 2008 i686 GNU/Linux > > Дык, всем известно FreeBSD != GNU/Linux > Большенство утилит работает по разному, включая egrep > + shell там какой? gnu/bash? > echo $SHELL /usr/local/bin/tcsh Во какой! :) и echo, как оказалось не исключение. Там даже и нет такой опции (-e). Вот: > echo "\t" | hexdump -C 00000000 5c 74 0a |\t.| 00000003 > echo -e "\t" | hexdump -C 00000000 2d 65 20 5c 74 0a |-e \t.| 00000006 Ну ладно, боюсь, это уже попахивает оффтопом -- С Уважением, Виктор Синявский
next prev parent reply other threads:[~2009-07-17 11:55 UTC|newest] Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top 2009-07-17 9:48 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 [this message] 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 ` [Sysadmins] [JT] " Kharitonov A. Dmitry 2009-07-17 11:36 ` [Sysadmins] " Kharitonov A. Dmitry 2009-07-17 11:20 ` Led
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