Commit a4d024fe authored Dec 02, 2024 by Olaf Hering Committed by Wei Liu Dec 09, 2024

tools/hv: reduce resouce usage in hv_get_dns_info helper



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 <olaf@aepfle.de>
Acked-by: Wei Liu <wei.liu@kernel.org>
Link: https://lore.kernel.org/r/20241202120432.21115-1-olaf@aepfle.de


Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <20241202120432.21115-1-olaf@aepfle.de>

parent 07dfa6e8

tools/hv/hv_get_dns_info.sh

+2 −2

Original line number	Diff line number	Diff line
		#!/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