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From: Oleg Verych <olecom@flower.upol.cz>
To: Mark Lord <lkml@rtr.ca>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Jesper Juhl <jesper.juhl@gmail.com>,
	Roman Zippel <zippel@linux-m68k.org>,
	Sam Ravnborg <sam@ravnborg.org>,
	William Stearns <wstearns@pobox.com>,
	Martin Schlemmer <azarah@nosferatu.za.org>
Subject: Re: [patch 1/3, resend] scripts: replace gawk, head, bc with shell, update
Date: Tue, 6 Feb 2007 17:47:52 +0100	[thread overview]
Message-ID: <20070206164752.GB1160@flower.upol.cz> (raw)
In-Reply-To: <45C8958B.8040906@rtr.ca>

On Tue, Feb 06, 2007 at 09:49:47AM -0500, Mark Lord wrote:
> Oleg Verych wrote:
> >scripts: replace gawk, head, bc with shell, update
> >
> >  Replacing overhead of using some (external) programs
> >  instead of good old `sh'.
> ...                                  <---------------,
> >-    t4=`echo $t3 | gawk '{ print $1 }'`            |
> >-    t5=`echo $t1 | gawk '{ print $1 }'`            |
> >-    t6=`echo $t4 - $t5 | tr a-f A-F`               |
> >-    t7=`( echo  ibase=16 ; echo $t6 ) | bc`        |
> >+    t4=`field 1 $t3`                               |
> >+    t5=`field 1 $t1`                               |
> >+    t6=`printf "%lu" $((0x$t4 - 0x$t5))`           |
> ...                                                  |
>                                                      |
> >From where do we obtain this new "field" command ?  |
                                       `---- here -----'

Without jokes, it even commented:

+# awk style field access
+field() {
+  shift $1 ; echo $1
+}
+

> Cheers
____

  reply	other threads:[~2007-02-06 16:40 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-06  1:18 [patch 0/3, resend] scripts, kbuild updates/fixes (against 2.6.20) Oleg Verych
2007-02-06  1:18 ` [patch 1/3, resend] scripts: replace gawk, head, bc with shell, update Oleg Verych
2007-02-06 14:49   ` Mark Lord
2007-02-06 16:47     ` Oleg Verych [this message]
2007-02-06 17:13       ` Mark Lord
2007-02-07  8:58   ` Jesper Juhl
2007-02-07 13:02     ` Oleg Verych
2007-02-07 14:28   ` Roman Zippel
2007-02-06  1:18 ` [patch 2/3, resend] kbuild: improve option checking, Kbuild.include cleanup Oleg Verych
2007-02-07 14:36   ` Roman Zippel
2007-02-07 18:18     ` Oleg Verych
2007-02-07 20:14     ` Oleg Verych
2007-02-06  1:18 ` [patch 3/3, resend] kbuild: correctly skip tilded backups in localversion files Oleg Verych
2007-02-07 14:39   ` Roman Zippel
2007-02-07 18:03     ` Oleg Verych
2007-02-12 22:09   ` Tony Luck
2007-02-12 22:53     ` Linus Torvalds
2007-02-13  0:32       ` Oleg Verych
2007-02-13  5:05         ` Oleg Verych
2007-02-13  8:23           ` Gerd Hoffmann
2007-02-13 15:51           ` Linus Torvalds
2007-02-13 16:09             ` Roman Zippel
2007-02-14  1:16               ` kbuild, localversion (Re: [patch 3/3, resend] kbuild: correctly skip tilded backups in localversion files) Oleg Verych
2007-02-14  8:30                 ` Sam Ravnborg
2007-02-06 17:56 ` [patch 0/3, resend] scripts, kbuild updates/fixes (against 2.6.20) Randy Dunlap
2007-02-06 18:25   ` Oleg Verych
2007-02-06 23:38 ` Oleg Verych

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