/etc/rc.local

sh

#!/bin/sh -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.

# Print the IP address
_IP=$(hostname -I) || true
if [ "$_IP" ]; then
  printf "My IP address is %s\n" "$_IP"
  echo $_IP > ipaddress
  open_jtalk -x /var/lib/mecab/dic/open-jtalk/naist-jdic/ -m /usr/share/hts-voice/nitech-jp-atr503-m001/nitech_jp_atr503_m001.htsvoice ipaddress -ow ipaddress.wav
  aplay ipaddress.wav
fi

exit 0