# check if anforderung is zero

if [ ! -f /tmp/angefordert.txt-old ]; then
  cp /tmp/angefordert.txt /tmp/angefordert.txt-old
fi
    STATUS=$(cmp -s /tmp/angefordert.txt /tmp/angefordert.txt-old; echo $?) 
    
if [ $STATUS -ne 0 ]; then  # if status isn't equal to 0, then execute code
     cp /tmp/angefordert.txt /tmp/angef_send
    sed -i -e '1iSubject: Anzahl angefordert change\' /tmp/angef_send;
   msmtp xx@gmail.com < /tmp/angef_send
    cp /tmp/angefordert.txt /tmp/angefordert.txt-old 
fi
if [ ! -f /tmp/kessel.txt-old ]; then
  cp /tmp/kessel.txt /tmp/kessel.txt-old
fi
    STATUS=$(cmp -s /tmp/kessel.txt /tmp/kessel.txt-old; echo $?) 
    
if [ $STATUS -ne 0 ]; then  # if status isn't equal to 0, then execute code
     cp /tmp/kessel.txt /tmp/kessel_send
    sed -i -e '1iSubject: Anforderung change\' /tmp/kessel_send;
#   msmtp xx@gmail.com < /tmp/kessel_send
    cp /tmp/kessel.txt /tmp/kessel.txt-old 
fi
grep -q "0" /tmp/kessel.txt
if [ $? -eq 0 ]; then
   if [ ! -f /tmp/zerosent ]; then
   echo "Subject: Anforderung aus!" | msmtp zz@gmail.com
   touch /tmp/zerosent
   fi
else
   if [ -f /tmp/zerosent ]; then
      rm /tmp/zerosent
   fi
fi