Homework & Coursework Questions

do
print "Enter question number, N for next question, P for previous question or Q for done"
read a
...

#!/bin/sh
touch fileuseranswer
 echo "**********WELCOME TO GROUCHO MARX UNIVERSITY**********"

echo Username:
read i
echo Password:
read j
Username="${i}:${j}"
 
if ( ! grep -q $Username /$HOME/PhaseTest/userinfo )
then
        echo "Wrong Login/Passwd"
        exit 2
fi
 


echo 
echo -e "                    \c"
date
QFILE=./questions
# max questions
max=$(sed 's/^[1-8][0-8]*\. /#&/' ${QFILE} | nawk -v FS="\n" -v RS="#" 'END {print NR}')
 
question(){
clear
sed 's/^[1-8][0-8]*\. /#&/' ${QFILE} | awk -v FS="\n" -v RS="#" -v VAR="$1" '(NR==VAR){print$0}' | tee q.tmp
#sed -n '/^'`echo "$1"`'\./,/^d) /p' ${QFILE}
 
while :
do
echo "Enter your choice :"
read b
if ( ! grep "$b"')' q.tmp >/dev/null ) ; then
        echo "Invalid choice"
        rm q.tmp
        RC=1 ; break
else
        rm q.tmp
        grep -v ^$1 fileuseranswer >fileuseranswer.tmp
        echo "$1 $a" >>fileuseranswer.tmp
        cat fileuseranswer.tmp >fileuseranswer
        rm fileuseranswer.tmp
        RC=0 ; break
fi
done
return $RC
}
 
while :
do
echo -e "Enter question number, N for next question, P for previous question or Q for done"
read a
case $a in
        [1-8]*) [[ $a -gt $max ]] && c=$max || c=$a ; question "$c" ;;
        n|N) [[ $c -lt $max ]] && let c+=1 || let c=1 ; question "$c" ;;
        p|P) [[ $c -ge 1 ]] && let c-=1 || let c=$max ; question "$c" ;;
        q|Q) exit 0 ;;
        *) echo "Wrong choice , try again" ;;
esac
done

answers(){
 echo -e "\c" > fileuseranswer 
    QNUM=0 
    TOTAL=0 
    while [ $QNUM -lt ${#questions[@]} ] 
    do 
        echo "\"${FILEUSERANSWER[$QNUM]}\" " >> fileuseranswer 
        [ "${CORRECT[$QNUM]}" = "${FILEUSERANSWER[$QNUM]}" ] && let SCORE=SCORE+1 
        let QNUM=QNUM+1 
    done 
    echo "You got $TOTAL questions correct out of ${#questions[@]}" 
}

echo "$1 $a" >>fileuseranswer.tmp

echo "$1 $b" >>fileuseranswer.tmp