#!/bin/sh
    # backup_run
    # script to run the backups
    # loads in a setting file for the user to change
    SOURCE=/home/bob/backup.defaults
    check_source()
    {
        # check_source
        # can we load the file
        # backup.defaults is the source file containing config/functions
        # make sure your path includes this directory you are runing from
        if [ -r $SOURCE ];then
          . $SOURCE # load $source
        else
            echo "`basename $0`: cannot locate default file"
            exit 1
        fi
    }
    header()
    {
        # header
        USER=`whoami`
        MYDATE=`date +%A" "%e" of "%B-%Y`
        clear
        cat &1
        if [ $? -ne 0 ];then
            return 1
        else
            return 0
        fi
    }
    #====================== main =======================
    # can we source the file
    check_source
    header
    # display the loaded in variables
    show_settings
    # ask user if he/she wants to change any settings
    if continue_prompt "Do you wish To Change Some of The System Defaults" "Y";
    then
        echo $?   
        # yes then enter code name
        if get_code;then
            # change some settings
            change_settings
        fi
    fi
    #------------------ got settings... now do backup
    if check_drive;then
        echo "tape OK..."
    else
        echo "Cannot rewind the tape..Is it in the tape drive???"
        echo "check it out"
        exit 1
    fi
    # file system paths to backup
    case $_TYPE in
        Full|full)
            BACKUP_PATH="sybase syb/suppor etc var bin apps usr/local"

        Normal|normal)
            BACKUP_PATH="etc var bin apps usr/local"

        Sybase|sybase)
            BACKUP_PATH="sybase syb/suppor"

    esac
    # now for backup
    cd /
    echo "Now starting backup......"
    find $BACKUP_PATH -print | cpio -ovB -O /dev/$_DEVICE >> $_LOGFILE 2>&1
    # if the above cpio does not work on your system try cpio below, instead
    # find $BACKUP_PATH -print | cpio -ovB > /dev/$_DEVICE >> $_LOGFILE 2>&1
    # to get more information on the tape change -ovB to -ovcC66536
    if [ "$_INFORM" = "yes" ];then
        echo "Backup finished check the log file" | mail admin
    fi

    #!/bin/sh
    # backup.defaults
    # configuration default file for network backups
    # edit this file at your own
    # name backup.defaults
    # --------------------------------------------
    # not necessary for the environments to be in quotes.. but
    _CODE="comet"
    _LOGFILE="/appdva/backup/log.`date +%y%m%d`"
    _DEVICE="rmt0"
    _INFORM="yes"
    _TYPE="Full"
    #---------------------------------------------
    continue_prompt()
    {
        # continue_prompt
        # to call: continue_prompt "string to display" default_answer
        _STR=$1
        _DEFAULT=$2
        # check we have the right params
        if [ $# -lt 1 ];then
            echo "continue_prompt: I need a string to display"
            return 1
        fi
        while :
        do
            echo -n "$_STR [Y..N] [$_DEFAULT]:"
            read _ANS
            if [ "$_ANS" = "" ];then
                : ${_ANS:=$_DEFAULT}
                case $_ANS in
                    Y) return 0

                    N) return 1

                esac
            fi
            # user has selected something
            case $_ANS in
                y|Y|Yes|YES)
                    return 0

                n|N|No|NO)
                    return 1

                *) echo "Answer either Y or N, default is $_DEFAULT"

            esac
            echo $_ANS
        done
    }

$./backup_run.sh backup.defaults