cat "$infofile" | grep "^string" | sed 's/.*=//'

[Geert Stappers <stappers@stappers.nl>]

> +		if [ "$usage" = "dhcp" ]; then
> +			NET_CONFIG=dhcp
> +		else
> +			NET_CONFIG=static
> +			IP_ADDRESS=$(cat "$netinfo" | grep "^my_ipaddress" | sed 's/.*=//')
> +			NETMASK=$(cat "$netinfo" | grep "^my_subnetmask" | sed 's/.*=//')
> +			GATEWAY=$(cat "$netinfo" | grep "^my_dgw" | sed 's/.*=//')
> +		fi
> +	fi
> +	hostinfo=$path/rootfs/etc/host.info
> +	if [ -e "$hostinfo" ]; then
> +		HOSTNAME=$(cat "$hostinfo" | grep "^hostname" | sed 's/.*=//')
> +	fi


   cat "$infofile" | grep "^string" | sed 's/.*=//'

can be rewritten as

   grep "^string" "$infofile" | sed 's/.*=//'


with the advantage of 'cat' not being spawned.



Further rewrite to

   sed -n '/^string/s/.*=//' "$infofile" 

even avoids 'grep' being started.



Cheers
Geert Stappers