From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael Tremer <michael.tremer@ipfire.org>
To: network@lists.ipfire.org
Subject: Re: [PATCH 1/6] util: new function abs
Date: Wed, 14 Jun 2017 22:22:43 +0100
Message-ID: <1497475363.2416.18.camel@ipfire.org>
In-Reply-To: <1497003452-10190-1-git-send-email-jonatan.schlag@ipfire.org>
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Merged. :)

On Fri, 2017-06-09 at 12:17 +0200, Jonatan Schlag wrote:
> This function return the absolute value of a given number.
> 
> Signed-off-by: Jonatan Schlag <jonatan.schlag(a)ipfire.org>
> ---
>  src/functions/functions.util | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/src/functions/functions.util
> b/src/functions/functions.util
> index 4b6f956..699026d 100644
> --- a/src/functions/functions.util
> +++ b/src/functions/functions.util
> @@ -268,6 +268,16 @@ uuid() {
>  	echo $(</proc/sys/kernel/random/uuid)
>  }
>  
> +abs() {
> +	local val=${1}
> +
> +	if [ ${val} -lt 0 ]; then
> +		(( val *= -1 ))
> +	fi
> +
> +	echo ${val}
> +}
> +
>  rand() {
>  	local uuid="$(uuid)"
>  	echo "${uuid//-/}"

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