Backup_crontab.sh (done)

#!/bin/bash
#
## creates weekly backup of selected directories
#

## variables
LOG_LOC="/var/log/mybackup.log"
##

##functions
function check_dir_local{
        #check for dir list file
        if [ ! -s "backup_dirs.conf" ]
        then
               echo "Please create a list of directories to backup by creating a backup_dir.conf file in the root directory"
              exit 1
     fi
}

function check_backup_local {
        if [ ! -s "/backup_local.conf" ]
        then
                echo "Please specify the full path of where to send the backup to, by creating
the backup_local.conf file in the root directory"
                 exit 1
        fi
}

function check_schedule {
       #check to see if the script exists in weekly cron directory
       if [ ! -s "/etc/cron.weekly/make_backup" ]
       then
                 #copy script to cron.weekly dir
                 sudo cp make_backup.sh /etc/cron.weekly/make_backup
                 echo "The backup has been set to run weekly"
                 echo "The exact run time is in the /etc/crontab file."
                 exit 1


       fi
}

function perform_backup {
        #get backup location
        back_path=$(cat /backup_local.conf)
        echo "starting backup. . ." > $LOG_LOC
        #for each dir, archive and compress to backup location
        while read dir_path
        do
               #get backup dir name
               dir_name$(basename $dir_path)
               #create filename for compressed backup
               filename=$backup_path$dir_name.tar.gz
               #archive dirs and compress archive
               tar -zcf $filename $dir_path 2>> $LOG_LOC

               #change ownership of  backup files
               chown captain:captain $filename
               echo "Backing up of $dir_name completed." >> $LOG_LOC
        done < /backup_dirs.conf

        echo "backup complete at:" >> $LOG_LOC
        date >> $LOg_LOC
}
## end of functions


 check_dir_loc
.check_backup_loc
 check_schedule