[Shell] Make localip a function

dotfiles/lib/shellenv/functions.sh

@@ -448,3 +448,8 @@ function in_git_directory {
 function which_readlink {
     readlink -f "$(which $1)"
 }
+
+function localip {
+    command_exists ip && ip addr show
+    alias localip="ifconfig | grep -Eo 'inet (addr:)?([0-9]*\.){3}[0-9]*' | grep -Eo '([0-9]*\.){3}[0-9]*' | grep -v '127.0.0.1'"
+}

dotfiles/lib/shellrc/aliases.sh

@@ -24,7 +24,6 @@ alias ls="command ls ${colorflag}"
 
 # IP addresses
 alias externalip="dig +short myip.opendns.com @resolver1.opendns.com"
-alias localip="ifconfig | grep -Eo 'inet (addr:)?([0-9]*\.){3}[0-9]*' | grep -Eo '([0-9]*\.){3}[0-9]*' | grep -v '127.0.0.1'"
 
 alias whois="whois -h whois-servers.net"