Drop some unnecessary command invocations.

7 files changed, 19 insertions, 20 deletions

diff --git a/sysconfig/network-scripts/ifdown-ipv6 b/sysconfig/network-scripts/ifdown-ipv6
index 9f04531a..51c4028f 100755
--- a/sysconfig/network-scripts/ifdown-ipv6
+++ b/sysconfig/network-scripts/ifdown-ipv6
@@ -46,7 +46,7 @@ CONFIG=$1
 source_config
 
 # IPv6 don't need aliases anymore, config is skipped
-REALDEVICE=$(echo ${DEVICE} | sed 's/:.*//g')
+REALDEVICE=${DEVICE%%:*}
 [ "$DEVICE" != "$REALDEVICE" ] && exit 0
 
 [ -f /etc/sysconfig/network-scripts/network-functions-ipv6 ] || exit 1
@@ -120,7 +120,7 @@ if [ "$valid6to4config" = "yes" ]; then
 	if [ -n "$IPV6TO4_ROUTING" ]; then
 		# Delete routes to local networks
 		for devsuf in $IPV6TO4_ROUTING; do
-			dev="$(echo $devsuf | awk -F- '{ print $1 }')"
+			dev="${devsuf%%-*}"
 			ipv6_cleanup_6to4_device $dev
 		done
 	fi
diff --git a/sysconfig/network-scripts/ifdown-sit b/sysconfig/network-scripts/ifdown-sit
index 041dc3cd..314b91f1 100755
--- a/sysconfig/network-scripts/ifdown-sit
+++ b/sysconfig/network-scripts/ifdown-sit
@@ -28,7 +28,7 @@ CONFIG=$1
 source_config
 
 # IPv6 don't need aliases anymore, config is skipped
-REALDEVICE=$(echo ${DEVICE} | sed 's/:.*//g')
+REALDEVICE=${DEVICE%%:*}
 [ "$DEVICE" != "$REALDEVICE" ] && exit 0
 
 [ -f /etc/sysconfig/network-scripts/network-functions-ipv6 ] || exit 1
diff --git a/sysconfig/network-scripts/ifup-ipv6 b/sysconfig/network-scripts/ifup-ipv6
index da1062ec..6f104dc5 100755
--- a/sysconfig/network-scripts/ifup-ipv6
+++ b/sysconfig/network-scripts/ifup-ipv6
@@ -63,7 +63,7 @@ CONFIG=$1
 source_config
 
 # IPv6 don't need aliases anymore, config is skipped
-REALDEVICE=$(echo ${DEVICE} | sed 's/:.*//g')
+REALDEVICE=${DEVICE%%:*}
 [ "$DEVICE" != "$REALDEVICE" ] && exit 0
 
 # Test whether IPv6 configuration is enabled for this interface, else stop
@@ -162,7 +162,7 @@ fi
 
 # Setup additional static IPv6 routes (newer config style)
 if [ -f "/etc/sysconfig/network-scripts/route6-$DEVICE" ]; then
-	cat "/etc/sysconfig/network-scripts/route6-$DEVICE" | sed 's/#.*//g' | grep -v '^[[:space:]]*$' | while read line; do
+	sed -ne 's/#.*//' -e '/[^[:space:]]/p' "/etc/sysconfig/network-scripts/route6-$DEVICE" | while read line; do
 		/sbin/ip -6 route add $line
 	done
 fi
@@ -222,7 +222,7 @@ if [ "$IPV6TO4INIT" = "yes" ]; then
 	# Setup 6to4 tunnel (hardwired name is "tun6to4"), if config is valid
         if [ "$valid6to4config" = "yes" ]; then
 		# Get MTU of master device
-		ipv4mtu="$(/sbin/ip link show dev $DEVICE | grep -w "mtu" | awk '{ print $5 }')"
+		ipv4mtu="$(/sbin/ip link show dev $DEVICE | awk '/\<mtu\>/ { print $5 }')"
 		if [ -n "$ipv4mtu" ]; then
 			# IPv6 tunnel MTU is IPv4 MTU minus 20 for IPv4 header
 			tunnelmtu=$(($ipv4mtu-20))
@@ -264,7 +264,7 @@ if [ "$IPV6TO4INIT" = "yes" ]; then
 
 		# Setup additional static IPv6 routes (newer config style)
 		if [ -f "/etc/sysconfig/network-scripts/route6-tun6to4" ]; then
-			cat "/etc/sysconfig/network-scripts/route6-tun6to4" | sed 's/#.*//g' | LC_ALL=C grep -v '^[[:space:]]*$' | while read line; do
+			sed -ne 's/#.*//' -e '/[^[:space:]]/p' /etc/sysconfig/network-scripts/route6-tun6to4 | while read line; do
 				if echo "$line" | LC_ALL=C grep -vq 'via'; then
 					# Add gateway if missing
 					line="$line via $ipv6to4_relay"
@@ -288,7 +288,7 @@ if [ "$IPV6TO4INIT" = "yes" ]; then
 				if [ -n "$ipv6to4prefix" ]; then
 					# Add route to local networks
 					for devsuf in $IPV6TO4_ROUTING; do
-						dev="$(echo $devsuf | awk -F- '{ print $1 }')"
+						dev="${devsuf%%-*}"
 						suf="$(echo $devsuf | awk -F- '{ print $2 }')"
 						ipv6_add_addr_on_device ${dev} ${ipv6to4prefix}${suf}
 					done
diff --git a/sysconfig/network-scripts/ifup-ipx b/sysconfig/network-scripts/ifup-ipx
index a5693cfe..dbd294a8 100755
--- a/sysconfig/network-scripts/ifup-ipx
+++ b/sysconfig/network-scripts/ifup-ipx
@@ -23,7 +23,7 @@ CONFIG=$1
 source_config
 
 for frametype in 802.2 802.3 ETHERII SNAP ; do
-    framename=$(echo $frametype | sed 's/\./_/')
+    framename=${frametype/./_}
     eval ACT=\$IPXACTIVE_$framename
     case $ACT in
 	yes|true)
diff --git a/sysconfig/network-scripts/ifup-sit b/sysconfig/network-scripts/ifup-sit
index f593a677..6d1a8c79 100755
--- a/sysconfig/network-scripts/ifup-sit
+++ b/sysconfig/network-scripts/ifup-sit
@@ -40,7 +40,7 @@ CONFIG=$1
 source_config
 
 # IPv6 don't need aliases anymore, config is skipped
-REALDEVICE=$(echo ${DEVICE} | sed 's/:.*//g')
+REALDEVICE=${DEVICE%%:*}
 [ "$DEVICE" != "$REALDEVICE" ] && exit 0
 
 # Test whether IPv6 configuration is enabled for this interface, else stop
@@ -106,7 +106,7 @@ fi
 
 # Setup additional static IPv6 routes (newer config style)
 if [ -f "/etc/sysconfig/network-scripts/route6-$REALDEVICE" ]; then
-	cat "/etc/sysconfig/network-scripts/route6-$REALDEVICE" | sed 's/#.*//g' | grep -v '^[[:space:]]*$' | while read line; do
+	sed -ne 's/#.*//' -e '/[^[:space:]]/p' "/etc/sysconfig/network-scripts/route6-$REALDEVICE" | while read line; do
 		/sbin/ip -6 route add $line
 	done
 fi
diff --git a/sysconfig/network-scripts/network-functions b/sysconfig/network-scripts/network-functions
index 562fe7cb..0d2528ee 100644
--- a/sysconfig/network-scripts/network-functions
+++ b/sysconfig/network-scripts/network-functions
@@ -51,7 +51,7 @@ get_config_by_name ()
 
 get_device_by_hwaddr ()
 {
-    LANG=C ip -o link | grep -v link/ieee802.11 | awk -F ': ' -vIGNORECASE=1 "/$1/ { print \$2 }"
+    LANG=C ip -o link | awk -F ': ' -vIGNORECASE=1 '!/link\/ieee802\.11/ && /'"$1"'/ { print $2 }'
 }
 
 get_uuid_by_config ()
@@ -207,9 +207,8 @@ do_netreport ()
   ( cd /var/run/netreport || exit
     for i in * ; do
       if [ -f $i ]; then
-        OWNER=$(ls -l $i | awk '{ print $3 }')
-	
         if [ "$(id -u)" = "0" ]; then
+	  OWNER=$(stat -c %U $i)
 	  su -s /bin/bash $OWNER -c "kill -SIGIO $i >/dev/null 2>&1 || rm -f $i >/dev/null 2>&1" > /dev/null 2>&1
 	else
 	  kill -SIGIO $i >/dev/null 2>&1 || rm -f $i >/dev/null 2>&1
diff --git a/sysconfig/network-scripts/network-functions-ipv6 b/sysconfig/network-scripts/network-functions-ipv6
index 24100cba..64b9b593 100644
--- a/sysconfig/network-scripts/network-functions-ipv6
+++ b/sysconfig/network-scripts/network-functions-ipv6
@@ -322,7 +322,7 @@ ipv6_add_addr_on_device() {
 
 	# Extract address parts
 	local prefixlength_implicit="$(echo $address | awk -F/ '{ print $2 }')"
-	local address_implicit="$(echo $address | awk -F/ '{ print $1 }')"
+	local address_implicit="${address%%/*}"
 
 	# Check prefix length and using '64' as default
 	if [ -z "$prefixlength_implicit" ]; then
@@ -389,7 +389,7 @@ ipv6_cleanup_6to4_device() {
 	ipv6_test testonly || return 2
 
 	# Cleanup 6to4 addresses on this device
-	/sbin/ip -6 addr show dev $dev scope global permanent | LC_ALL=C grep -w inet6 | awk '{ print $2}' | LC_ALL=C grep "^2002:" | while read addr; do
+	/sbin/ip -6 addr show dev $dev scope global permanent | awk '/\<inet6\>/ && $2 ~ /^2002:/ { print $2 }' | while read addr; do
 		/sbin/ip -6 addr del ${addr} dev ${dev}
 	done
 
@@ -496,7 +496,7 @@ ipv6_create_6to4_prefix() {
 		ipv6_log $"Missing parameter 'IPv4 address' (arg 1)" stderr.err $fn
 	fi
 
-	local major1="$(echo $ipv4addr | awk -F. '{ print $1 }')"
+	local major1="${ipv4addr%%.*}"
 	local minor1="$(echo $ipv4addr | awk -F. '{ print $2 }')"
 	local major2="$(echo $ipv4addr | awk -F. '{ print $3 }')"
 	local minor2="$(echo $ipv4addr | awk -F. '{ print $4 }')"
@@ -654,7 +654,7 @@ ipv6_cleanup_6to4_tunnels() {
 		ipv6_del_tunnel_device tun6to4
 
 		# Remove all unspecific unreachable routes for local 6to4 address space
-		/sbin/ip -6 route | LC_ALL=C grep "^unreachable 2002:" | LC_ALL=C grep "/48 dev lo" | while read token net rest; do
+		/sbin/ip -6 route | LC_ALL=C grep "^unreachable 2002:.*/48 dev lo" | while read token net rest; do
 			/sbin/ip route del unreach $net
 		done
 
@@ -831,7 +831,7 @@ ipv6_cleanup_tunnel_devices() {
 
 	# Find still existing tunnel devices and shutdown and delete them
 
-	/sbin/ip tunnel show | LC_ALL=C grep -w "ipv6/ip" | awk -F: '{ print $1 }' | while read device; do
+	/sbin/ip tunnel show | awk -F: '/\<ipv6\/ip\>/ { print $1 }' | while read device; do
 		ipv6_del_tunnel_device $device
 	done
 
@@ -987,7 +987,7 @@ ipv6_set_default_route() {
 	fi
 
 	if [ -n "$address" ]; then
-		local addressgw=$(echo $address | awk -F% '{ print $1 }')
+		local addressgw=${address%%%*}
 		local device_scope=$(echo $address | awk -F% '{ print $2 }')
 
 		if [ -z "$addressgw" ]; then