#!/bin/sh


# PPP information utilities


# Print the PPP IP address
pppIP() {
	ipconfig |sed -n -e '/^PPP/,$ p' | sed -n -e '/IP Address/ s/.*: //p'
}


# Print the PPP DNS name
pppDNS() {
	nslookup "$(pppIP)" |sed -n -e '/^Name:/ s/^Name:  *//p'
}


# Display the PPP IP address and DNS name
pppInfo() {
	ip="$(pppIP)"
	echo "PPP  IP: $ip"
	echo "PPP DNS: $(nslookup "$ip" |sed -n -e '/^Name:/ s/^Name:  *//p')"
}


# Notify user that no sub-function was specified
pppIdent() {
	echo "Usage: pppIP | pppDNS | pppInfo" >&2

	# Generate aliases as needed
	cd "${0%/*}" && \
	( [ ! -f pppIP ]	&& ln pppIdent pppIP
	  [ ! -f pppDNS ]	&& ln pppIdent pppDNS
	  [ ! -f pppInfo ]	&& ln pppIdent pppInfo )

	exit 1
}



# Invoke the specified sub-option
"${0##*/}" "$@"