#!/bin/bash

# The olsr.org Optimized Link-State Routing daemon (olsrd)
#
# (c) by the OLSR project
#
# See our Git repository to find out who worked on this file
# and thus is a copyright holder on it.
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
#   notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
#   notice, this list of conditions and the following disclaimer in
#   the documentation and/or other materials provided with the
#   distribution.
# * Neither the name of olsr.org, olsrd nor the names of its
#   contributors may be used to endorse or promote products derived
#   from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# Visit http://www.olsr.org for more information.
#
# If you find this software useful feel free to make a donation
# to the project. For more information see the website or contact
# the copyright holders.
#

set -e
set -u

ifsOld="$IFS"
IFS=$'\n'
gnuplotfiles=( $(ls -1 *.gnuplot | sort) )
IFS="$ifsOld"
gnuplotfilestimes=()

# init time stamps
declare -i index=0
while [[ $index -lt ${#gnuplotfiles[*]} ]]; do
  gnuplotfilestimes[$index]=1
  index+=1
done


declare -i tim=0
while true; do
  index=0
  while [[ $index -lt ${#gnuplotfiles[*]} ]]; do
    tim=$(stat -c "%Y" "${gnuplotfiles[index]}")
    if [[ $tim -ne ${gnuplotfilestimes[index]} ]]; then
      gnuplot "${gnuplotfiles[index]}"
      gnuplotfilestimes[$index]=$tim
    fi
    index+=1
  done
  sleep 1
done
