Find Big Files with LSBInitScripts and exceptions

FindBigFiles_beta_lb.sh

#!/bin/sh
#
### BEGIN INIT INFO
# Provides:          findbigfiles
# Required-Start:    $local_fs $syslog
# Required-Stop:     $local_fs $syslog
# Default-Start:     2 3 4 
# Default-Stop:      0 S 6
# Short-Description: Search big Files
# Description:       Search all big files in specific directories 
### END INIT INFO
#Global variables

log_file='/var/log/findbigfiles.log'
find=`find /var/www /home /tmp /opt -not -path "*/log/*" -not -path "*/typo3temp/*" -not -path "*/sugarcrm/cache/*" -not -path "*/magento/var/cache/*" -not -path "*/crm/cache/*" -size +19M`
limit=1024000
email=''


# Remove old logfile, if you start this script more than once time a day
test -n $log_file && rm $log_file

# Start function to generate a nice logfile
findbigfiles (){

for search_result in $find
do
if [ -f $search_result ]
	then
	# Generate log
	echo "+----------------------------------------------------------------------" >> $log_file
	# Get some information for the founded files and put it in a variable
	size=`du -h $search_result | awk '{print $1}'`
	modi=`stat -c %z $search_result | sed 's/\..*//'`
	# If the size bigger or equal $limit, then put a mark in to the log
	if [ `du $search_result | awk '{print $1}'` -ge $limit ]
		then 
		echo "| Highly recommended to check this file !" >> $log_file

	fi	
	# Generate log
	echo "| "$search_result >> $log_file
	echo "| File size: " $size " | Last modification: " $modi >> $log_file
	echo "+----------------------------------------------------------------------"	>> $log_file
fi
done
# Start mail function
send_mail
}
# Start mail function with multiple recipients 
send_mail (){
# If the log file exist
if [ -f $log_file ]
then
	# Store variable addresses and execute follow command with each variable
	for all_emails in $email
do
	# Send mail with hostname and list form the logfile
	mail -s "$(hostname) : Big Files to check" $all_emails < $log_file
done
fi
}
# Start function
findbigfiles

# Stop script with error output
exit $?