Shell Programming and Scripting

        printf "***MAIN - MENU***\n"
        printf " 1. OPTION 1\n"
        printf " 2. OPTION 2 \n"
        printf " 3. OPTION 3\n"
        printf " 4. OPTION 4\n"
        printf " 5. Exit \n"
        printf "\n CHOOSE [1-5]"

function view {
       lines=`tput lines`
        cols=`tput cols`
        X=`expr $lines / 3`
        Y=`expr $cols / 3`
        tput cup $X $Y
        tput sc
        return
}
 
view
printf "***MAIN - MENU***\n"
printf " 1. OPTION 1\n"
.
.

function view {
        i=`expr $i + 1`
        lines=`tput lines`
        cols=`tput cols`
        X=`expr $lines / 3 + $i`
        Y=`expr $cols / 3`
        tput cup $X $Y
        #tput sc
        return
}
        clear
        i=1
        view $i
        printf "***MAIN - MENU***\n"
        view $i
        printf " 1. OPTION 1\n"
        view $i
        printf " 2. OPTION 2 \n"
        view $i
        printf " 3. OPTION 3\n"
        view $i
        printf " 4. OPTION 4\n"
        view $i
        printf " 5. Exit \n"
        view $i
        printf "\n CHOOSE [1-5]"}
        read val
        tput rc

i=1
Y=$(echo "$(tput cols) / 3" | bc)
while read line
do
        X=$(echo "$(tput lines) / 3 + $i" | bc)
        echo "tput cup $X $Y ; $line" >> outfile
        i=$((i+1))
done < infile
clear ; sh outfile ; echo ""