UNIX for Dummies Questions & Answers

#!/bin/sh 
# List either files or directories in individual accounts 
# using 1, 2 or 3 with invalid 

echo "select 1 to see the FILES in your directory" 
echo "select 2 to see the DIRECTORIES in your directory"
echo "select 3 to EXIT"

case $var in 
 1) ls -f ;;
 2) ls -d ;;
 *) echo "INVALID option try again" ;;
esac

#!/bin/sh

while true
do
   clear
   echo "1. Files in your directory" 
   echo "2. Directories in your directory"
   echo "3. Exit"
   echo ""
   echo "Choice: \c"

   read choice
     
   case "$choice" in
       "") ;;
       1) echo "Your files:"
          ... some commands to list files ...
          read dummy;;
       2) echo "Your directories:"
          ... some commands to list directories ...
          read dummy;;
       3) exit;;
       *) echo "Invalid option try again"
          echo "Press <Return>\c"
          read dummy;;
    esac
done