Find an email the latest output image from the motion service

pop_motion_queue.sh

#!/bin/bash
 
MOTION_TMP=/tmp/motion
TARGET_EMAIL=$TARGET_EMAIL_HERE
 
which motion
if [ ! $? -eq 0 ]
then
    echo "Cannot find motion service in PATH, is it installed?"
exit 1
fi
 
if [ ! -d $MOTION_TMP ]
then
    echo "$MOTION_TMP for motion daemon doesn't exist, is it started?"
exit 1
fi
 
IMAGES_TO_PROCESS=$(find $MOTION_TMP -name *.jpg -type f | wc -l)
 
if [ $IMAGES_TO_PROCESS -eq 0 ]
then
    echo "No images to process"
exit 0
fi
 
IMAGE_TO_POP=$(find $MOTION_TMP -name '*.jpg' -type f | sort | head -1)
 
echo "Sending $IMAGE_TO_POP to $TARGET_EMAIL"
 
mpack -s '[motion]' $IMAGE_TO_POP $TARGET_EMAIL
 
rm -f $IMAGE_TO_POP
 
echo "$(find $MOTION_TMP -name *.jpg -type f | wc -l) images left."