Use character classes in sed

net.BSD/iwconfig.sh

@@ -475,14 +475,6 @@ iwconfig_configure() {
 		return 1
 	fi
 
-	# Do we have a preferred Access Point list specific to the interface?
-#	x="preferred_aps_${ifvar}[@]"
-#	[[ -n ${!x} ]] && preferred_aps=( "${!x}" )
-
-#	# Do we have a blacklist Access Point list specific to the interface?
-#	x="blacklist_aps_${ifvar}[@]"
-#	[[ -n ${!x} ]] && blacklist_aps=( "${!x}" )
-
 	# Are we forcing preferred only?
 	eval x=\$associate_order_${IFVAR}
 	[ -n "${x}" ] && associate_order=${x}

net.Linux/vlan.sh

@@ -76,7 +76,7 @@ vlan_post_start() {
 
 		# We need to work out the interface name of our new vlan id
 		local ifname="$( \
-			sed -n -e 's/^\([^ \t]*\) *| '"${vlan}"' *| .*'"${iface}"'$/\1/p' \
+			sed -n -e 's/^\([^[:space:]]*\) *| '"${vlan}"' *| .*'"${iface}"'$/\1/p' \
 			/proc/net/vlan/config )"
 		mark_service_started "net.${ifname}"
 		(

net/wpa_supplicant.sh

@@ -87,7 +87,7 @@ wpa_supplicant_pre_start() {
 	fi
 
 	# Work out where the ctrl_interface dir is if it's not specified
-	local ctrl_dir=$(sed -n -e 's/[ \t]*#.*//g;s/[ \t]*$//g;s/^ctrl_interface=//p' "${cfgfile}")
+	local ctrl_dir=$(sed -n -e 's/[[:space:]]*#.*//g;s/[[:space:]]*$//g;s/^ctrl_interface=//p' "${cfgfile}")
 	if [ -z "${ctrl_dir}" ] ; then
 		ctrl_dir=${opts##* -C}
 		if [ -n "${ctrl_dir}" -a "${ctrl_dir}" != "${opts}" ] ; then