linux-kernel - Re: [PATCH 1/3] kbuild: handle non-existing options in scripts/config

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Date:	Mon, 25 May 2009 15:11:44 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Michal Marek <mmarek@...e.cz>
Cc:	Andi Kleen <andi@...stfloor.org>, Sam Ravnborg <sam@...nborg.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] kbuild: handle non-existing options in scripts/config

> -replace() {
> -	sed -i -e "$@" $FN
> +# set_var name value [before-var]
> +set_var() {
> +	awk -vvar="$1" -vnew="$2" -vbefore="$3" '

This seems rather complicated compared to what was there before.

I would just cmp the output file to the input file and if they are
the same then add it at the end with a echo

> +	}
> +	' "$FN" >"$FN.tmp"

This should be a &&, otherwise you risk removing the output file
on ctrl-c

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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