Alte Daten automatisch per Zip erstellen

Bspw: 0 0 * * * /bin/sh /root/zip.sh /mnt/RED

#!/bin/sh

directory_to_check=$1
remove_original=yes
fileage_to_work_with=365  #Value is in DAYS!
if [ ! -x $directory_to_check ]; then
        echo 'Variable "directory_to_check" was not set properly. Please run the script (for example) like this:  
./zip.sh /mnt/RED or /bin/sh zip.sh /mnt/RED

You have to be in the same directory as the script to start it that way!'  

if [ ! -f "$(which zip)" ] || [ ! -f "$(which find)" ]; then  
        echo "It seems like zip or find is not installed. Exiting."  
        exit 2
fi

if [ "remove_original" = "yes" ]; then  
        for files in $(find $directory_to_check -mtime +$fileage_to_work_with); do
                zip -rm $files.zip $files
                echo "File: $files is zipped and deleted" >> zip_log.txt  
        done 
elif [ "remove_original" = "no" ]; then  
        for files in $(find $directory_to_check -mtime +$fileage_to_work_with); do
                zip -r $files.zip $files                                
                echo "File: $files is zipped" >> zip_log.txt      
        done
else
        echo 'Variable "remove_original" not set properly. Please open the script with your   
favourite text editor and change it to "yes" or "no"'  
fi