File Monitoring MD5 - Convert MYSQL Outbox Table to Send SMS

#!/usr/bin/env bash

file=/mnt/sda1/data-mysql/mysql/sms/toutbox.MYD
fingerprintfile=/tmp/.bla.md5savefile
while true; do
if [ ! -f $file ]
    then
        echo "ERROR: $file does not exist - aborting"
    exit 1
fi
filemd5=`md5sum $file | cut -d " " -f1`
if [ -z $filemd5 ]
    then
        echo "The file is empty - aborting"
        exit 1
    else
        :
fi
if [ -f $fingerprintfile ]
    then
        savedmd5=`cat $fingerprintfile`
        if [ -z $savedmd5 ]
            then
                echo "The file is empty - aborting"
                exit 1
        fi
        if [ "$savedmd5" = "$filemd5" ]
            then
                :
            else
                echo "File has been changed"
                #tambahkan bagian ini
                eval $(mysql -u root -ppassword sms -N -e "select concat('sms_kirim ',hp,' \"',isi,'\";') from toutbox where hp is not null or hp!=''")
                mysql -u root -ppassword sms -e "truncate toutbox"
                # --end--
                echo
        fi
fi
echo $filemd5 > $fingerprintfile
sleep 1
done