Blacklist and automatic detection of IP address

detection is valid for all languages

gravity-adv.sh

@@ -2,13 +2,8 @@
 # The Pi-hole now blocks over 120,000 ad domains
 # Address to send ads to (the RPi)
 piholeIP="127.0.0.1"
-# Optionally, uncomment to automatically detect the address.  Thanks Gregg
-#piholeIP=$(ifconfig eth0 | awk '/inet addr/{print substr($2,6)}')
-# Below code allows to automatically detect the address with all locale
-langsys=$LANG
-LANG=en_US.utf8
-piholeIP=$(ifconfig eth0 | awk '/inet addr/{print substr($2,6)}')
-LANG=$langsys
+# Optionally, uncomment to automatically detect the local IP address.
+# piholeIP=$(hostname -I)
 
 # Config file to hold URL rules
 eventHorizion="/etc/dnsmasq.d/adList.conf"