# bash_function

systemd_create_backup_folder_service(){

    # create directory                                                                                                                            
    mkdir ~/systemd/backup
    mkdir ~/systemd/tests
    mkdir ~/systemd/scripts

    # create script                                                                                                                               
    echo "#!/bin/sh" > ~/systemd/scripts/backup_folder.sh
    echo "rsync ~/systemd/tests ~/systemd/backup" >> ~/systemd/scripts/backup_folder.sh

    # create service file                                                                   
    echo "                                                                                                                                        
[Unit]                                                                                                                                            
Description=backup_folder script                                                                                                                                                                                                                                                  
[Service]                                                                                                                                         
ExecStart=~/systemd/scripts/backup_folder.sh                                                                                                      
                                                                                                                                                  
[Install]                                                                                                                                         
WantedBy=multi-user.target                                                                                                                        
" > /etc/systemd/system/backup_folder.service

    chmod +x ~/systemd/scripts/backup_folder.sh

    systemctl enable backup_folder
}