rc.timelapse

#!/bin/bash

#The user that will run
RUN_AS=pi

#Clean name of the script to execute
CLEAN_NAME=TIMELAPSE
 
#Name of the screen-session
NAME="$CLEAN_NAME"_AUTO_screen
 
#executable files in the following paths that are perhaps needed by the script
PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin
 
#your path to the pogram directory
DIR=/home/pi/gphoto2-timelapse
 
#Description
DESC="${CLEAN_NAME}"

#Command
CMD="python timelapse.py >> timelapse.log 2>&1"
 

function run_as  ()
{
        if [[ "X${RUN_AS}" == "X${USER}" ]];then
                eval "$*"
        else
                sudo su ${RUN_AS} -c "$*"
        fi
}

case "$1" in
start)
   if [[ $(run_as "screen -ls |grep $NAME") ]]
      then
      echo "$CLEAN_NAME is already running!"
   else
      echo "Starting $DESC: $NAME"
      run_as "cd $DIR; screen -dmS $NAME $CMD"
   fi
   ;;
stop)
   if [[ $(run_as "screen -ls |grep $NAME") ]]
      then
      echo -n "Stopping $DESC: $NAME"
      run_as "screen -XS $NAME quit"
      echo " ... done."
   else
      echo "Coulnd't find a running $DESC"
   fi
   ;;
restart)
   if [[ $(run_as "screen -ls |grep $NAME") ]]
       then
      echo -n "Stopping $DESC: $NAME"
      run_as "screen -XS ${NAME} quit"
      echo " ... done."
   else
      echo "Coulnd't find a running $DESC"
   fi
   echo "Starting $DESC: $NAME"
      run_as "cd $DIR; screen -dmS $NAME $CMD"
   echo " ... done."
   ;;
status)
   if [[ $(run_as "screen -ls |grep $NAME") ]]
      then
      echo "$CLEAN_NAME is RUNNING"
   else
      echo "$CLEAN_NAME is DOWN"
   fi
   ;;
*)
   echo "Usage: $0 {start|stop|status|restart}"
   exit 1
   ;;
esac

exit 0