linux-kernel - Re: [PATCH] remove bashisms from scripts/extract-ikconfig

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Date:	Wed, 12 Nov 2008 11:13:06 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Werner Almesberger <werner@...nmoko.org>
CC:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] remove bashisms from scripts/extract-ikconfig

Werner Almesberger wrote:
> unbashify-extract-ikconfig.patch
> 
> scripts/extract-ikconfig contains a lot of gratuituous bashisms,
> which make it fail if /bin/sh isn't bash. This patch replaces them
> with regular Bourne shell constructs.
> 
> Signed-off-by: Werner Almesberger <werner@...nmoko.org>

Acked-by: Randy Dunlap <randy.dunlap@...cle.com> # as file author


> ---
> 
> diff --git a/scripts/extract-ikconfig b/scripts/extract-ikconfig
> index 8187e6f..72997c3 100755
> --- a/scripts/extract-ikconfig
> +++ b/scripts/extract-ikconfig
> @@ -8,8 +8,8 @@ test -e $binoffset || cc -o $binoffset ./scripts/binoffset.c || exit 1
>  
>  IKCFG_ST="0x49 0x4b 0x43 0x46 0x47 0x5f 0x53 0x54"
>  IKCFG_ED="0x49 0x4b 0x43 0x46 0x47 0x5f 0x45 0x44"
> -function dump_config {
> -    typeset file="$1"
> +dump_config() {
> +    file="$1"
>  
>      start=`$binoffset $file $IKCFG_ST 2>/dev/null`
>      [ "$?" != "0" ] && start="-1"
> @@ -18,8 +18,8 @@ function dump_config {
>      fi
>      end=`$binoffset $file $IKCFG_ED 2>/dev/null`
>  
> -    let start="$start + 8"
> -    let size="$end - $start"
> +    start=`expr $start + 8`
> +    size=`expr $end - $start`
>  
>      dd if="$file" ibs=1 skip="$start" count="$size" 2>/dev/null | zcat
>  
> --


-- 
~Randy
--
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