On Mon, Dec 02, 2024 at 01:04:10PM +0100, Olaf Hering wrote:
> Remove the usage of cat. Replace the shell process with awk with 'exec'.
> Also use a generic shell because no bash specific features will be used.
>
> Signed-off-by: Olaf Hering <o...@aepfle.de>
The resource saving is not a lot, but nonetheless:
Acked-by: Wei Liu <wei....@kernel.org>
> ---
> tools/hv/hv_get_dns_info.sh | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/hv/hv_get_dns_info.sh b/tools/hv/hv_get_dns_info.sh
> index 058c17b46ffc..268521234d4b 100755
> --- a/tools/hv/hv_get_dns_info.sh
> +++ b/tools/hv/hv_get_dns_info.sh
> @@ -1,4 +1,4 @@
> -#!/bin/bash
> +#!/bin/sh
>
> # This example script parses /etc/resolv.conf to retrive DNS information.
> # In the interest of keeping the KVP daemon code free of distro specific
> @@ -10,4 +10,4 @@
> # this script can be based on the Network Manager APIs for retrieving DNS
> # entries.
>
> -cat /etc/resolv.conf 2>/dev/null | awk '/^nameserver/ { print $2 }'
> +exec awk '/^nameserver/ { print $2 }' /etc/resolv.conf 2>/dev/null
>
