Checks if amount of files in directory has changed, if not than it executes killall to let thing restart in a loop

watchdog.sh

#!/bin/bash

counterf=no_of_files_last_time.txt
tmpf="$(mktemp)"
counter_old="$(cat "$counterf")"

echo -n 'Missing: '
comm -23 <(sort -u sites_source.txt) <(ls -1|sort -u)|wc -l
echo -n 'Total:  '
sort -u sites_source.txt|wc -l
echo -n 'Files: '
counter_new="$(find -type f |wc -l)"
echo ${counter_new} |tee "$tmpf"
df -h .

if cmp -s "$counterf" "$tmpf"; then
        echo Counters SAME - Metric FAILED
        echo Trying to reboot things
        #killall -v loop_tumblr_crawler.sh
        #killall -v tumblr-photo-video-ripper.py
        killall -v python
        date --iso-8601=seconds
else
        echo Counters differ - Metric OK
        cat "$tmpf" > "$counterf"
fi