ip-read

#!/bin/bash
#
# ip-read :: read the IP address using espeak
#
# 0.1 - Chris Tyler, Seneca College <chris.tyler@senecacollege.ca> 2012-07-17
# 0.2 - Chris Tyler, Seneca College <chris.tyler@senecacollege.ca> 2013-03-26
#

#    ip-info
#
#    Copyright (C)2012 Chris Tyler, Seneca College, and others (see above)
#
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
#    MA  02110-1301  USA
#

# IP address (first IPv4 address that is not loopback)
if [ -x /usr/sbin/ip ]
then
        IP=$(ip addr|sed -n "s/^[[:space:]]\+inet \([0-9.]\+\).*/\1/p"|
                grep -v 127.0.0.1|head -1)
elif [ -x /usr/bin/ifconfig ]
then
        IP=$(ifconfig|sed -n "s/.*inet [^0-9]*\([0-9.]\+\) .*/\1/p"|
                grep -v 127.0.0.1|head -1)
else
        echo "$0: Cannot determine IP address - /usr/sbin/{ip,ifconfig} missing" >&2
        exit 1
fi

if [ "$IP" = "" ]
then
	echo "$0: No IPv4 address found." >&2
	exit 2
fi

# Reformatted for speaking
IPWORDS="$(echo "$IP"|sed -e "s/\./, dot, /g" -e "s/^/IP address: /")"

if [ "$(id -u)" = 0 ] # Work around root pulseaudio access
then
	export AUDIODRIVER=alsa
	espeak "$IPWORDS. Repeat, $IPWORDS" --stdout|play -t wav - >/dev/null 2>&1
else
	echo "$IPWORDS. Repeat, $IPWORDS"|espeak
fi