スクリプトを実行しても出力がないのはなぜですか? 私のifとgrepの問題は何ですか?? ありがとうございました。
ここに私のスクリプトがあります、
userfile=~/casestudies/login_users
clear
echo " Password Recovery "
echo "============================="
echo "Username: " ; read user
cuser=`grep $user $login_users | cut -d':' -f1`
if [ "$cuser" = "$user" ]
then
echo "Then choose a question to answer below"
echo "(A) What is your 5th favorite color? "
echo "(B) What is your favorite food? "
echo "(C) What is the name of your pet? "
echo "(D) What is the middle name of your mother's maiden name? "
echo "(E) What is the model number of your laptop/monitor? "
echo "choice : "
else
echo "Invalid choice. Choose another."
fi
read question || continue
case $question in
[Aa]) echo "answer in question A: " ; read A
if [[ "$A" == $(grep $A userfile | tr ':' ' ') ]] #A is the answer of the user in question A, it is stored in the login_users
then
echo "Correct, your password is: "
echo
grep $passwd $userfile | tr ':' ' ' #passwd is the original password of the user, it is stored in login_users
else
echo "Incorrect. Choose another question to answer." ;
fi ;;
[Bb]) echo "answer in question B: " ; read B
if [[ "$B" == $(grep $B userfile | tr ':' ' ') ]] #B is the answer of the user in question A, it is stored in the login_users
then
echo "Correct, your password is: "
echo
grep $passwd $userfile | tr ':' ' ' #passwd is the original password of the user, it is stored in login_users
else
echo "Incorrect. Choose another question to answer." ;
fi ;;
[Cc]) echo "answer in question C: " ; read C
if [[ "$C"== $(grep $C userfile | tr ':' ' ') ]] #C is the answer of the user in question A, it is stored in the login_users
then
echo "Correct, your password is: "
echo
grep $passwd $userfile | tr ':' ' ' #passwd is the original password of the user, it is stored in login_users
else
echo "Incorrect. Choose another question to answer." ;
fi ;;
[Dd]) echo "answer in question D: " ; read D
if [[ "$D"== $(grep $D userfile | tr ':' ' ') ]] #D is the answer of the user in question A, it is stored in the login_users
then
echo "Correct, your password is: "
echo
grep $passwd $userfile | tr ':' ' ' #passwd is the original password of the user, it is stored in login_users
else
echo "Incorrect. Choose another question to answer." ;
fi ;;
[Ee]) echo "answer in question E: " ; read E
if [[ "$E"== $(grep $E userfile | tr ':' ' ') ]] #E is the answer of the user in question A, it is stored in the login_users
then
echo "Correct, your password is: "
echo
grep $passwd $userfile | tr ':' ' ' #passwd is the original password of the user, it is stored in login_users
else
echo "Incorrect. Choose another question to answer." ;
fi ;;
esac