bill.sh

#!/bin/bash

choice=0
error1="  "
while true; do
            clear
            echo " Author:  Bill Allen                           Menu 0"
            echo
            echo
            echo "Current Directory: "  $(pwd)
            echo
            echo
            echo "                               Main Menu"
            echo
            echo "                1.    List the names of the files"
            echo "                2.    List the names of the subdirectories"
            echo "                3.    List the contents of a file"
            echo "                4.    Move to a subdirectory"
            echo "                5.    Move to the parent directory"
            echo "                6 .   Exit to UNIX commands"
            echo
            echo
            echo "           "  $error1
            echo
            echo -e  "         Enter the number of your choice: \c"
            error1="  "
            read choice
            
            case $choice in
                  1 )   
                        clear
                        count=$(ls -l | grep -v \/ | awk '{printf "%-20s %-10s %-4s\n",  $8, $6, $5}' | wc -l)
                        if (( "$count" == "0" )); then
                              echo "Current Directory: " $(pwd) "         Menu 1"
                              echo
                              echo
                              echo "          There are no files in this directory "
                              echo
                              echo –e "          Press Enter to return to the Main Menu\c"
                              read dummy ;;
                        else
                              echo "Current Directory: " $(pwd)  "         Menu 1"
                              echo
                              echo "                 Listing Name of Files"
                              echo
                              echo "     File Name     Date last Modified     Size     "
                              ls -l | grep -v \/ | awk '{printf "%-20s %-10s %-4s\n",  $9, $6 " " $7 " " $8, $5}'
                              echo
                              echo "                Total of " echo $count " files "
                        fi
                        echo
                        echo "     Press Enter to Return to Main Menu"
                        read dummy ;;
             
                  2)   
                        clear
                        countdir=$(ls -l | grep ^d | wc -l)
                        if test "$countdir"==0 then
                              echo
                              echo "     Current Directory: " $(pwd) "          Menu 2"
                              echo
                              echo "          There are no subdirectories in this directory "
                              echo
                              echo
                              echo -e "          Press Enter to return to the Main Menu\c "
                              read dummy ;;
                        else
                              echo
                              echo "     Current Directory: " $(pwd) "          Menu 2"
                              echo
                              echo "          Listing Names of Subdirectories "
                              echo
                              echo "     Subdirectory Name          Date Modified     "
                              ls -l | grep ^d | awk '{printf "%-20s %-20s\n",  $8,$6}'
                              echo
                              echo "     Total of " echo $count " subdirectories "
                        fi
                        echo
                        echo "     Press Enter to return to Main Menu "
                        read dummy ;;
                         
                        ls -l | grep ^d | awk '{printf "%-20s %-20s\n",  $8,$6}'
                        clear
                        echo "sub-menu 2 selected"
                        echo –e "Press Enter to return to the Main Menu\c"
                        read dummy ;;
             
                  3)   
                        clear
                        echo "     Current Directory: " $(pwd) "          Menu 3"
                        echo
                        echo "          Listing the Contents of a File "
                        echo
                        echo
                        echo
                        echo "Enter the name of the file to list (or press Enter to return to Main Menu): "
                        read filename
                        read dummy ;;
             
                        ls -l | .temp0$$                                                                      #list out files in the directory and place them into a temp file
                        if ["$filename" != ".temp$$"] then echo "file does not exsist"                        #check to see if the file name is in the directory
                                                                          
             
                        if test -r$filename then ls -l -p $filename                                           #test the file to check if there is read permission
                        else echo "you do not have access to read this file "
             
             
                        clear
                        echo "     Current Directory: " $(pwd) "          Menu 3"
                        echo
                        echo "          Listing the Contents of a File "
                        echo
                        awk '1' $filename                                                                     #list out the file
                        echo
                        echo "Enter the name of the file to list (or press Enter to return to Main Menu): "
                        read filename
                        read dummy;;
                         
                        rm $filename                                                                          #remove the temp file
                        echo –e "Press Enter to return to the Main Menu\c"                                    #return to main menu
                        read dummy ;;

             
                  4 )    
                        clear
                        echo "     Current Directory: " $(pwd) "          Menu 4"
                        echo
                        echo "          Moving to a subdirectory "
                        echo
                        echo
                        echo
                        echo "Enter the name of the a subdirectory to move to (or press Enter to return to Main Menu): "     
  
                        echo sub-menu 4 selected
                        echo –e "Press Enter to return to the Main Menu\c"
                        read dummy ;;
             
                  5 )  
                        clear
                        cd ..
                        echo sub-menu 5 selected
                        echo –e "Press Enter to return to the Main Menu\c"
                        read dummy ;;

                  6 )    exit ;;
                  * )
                        error1 = "Please enter a number between 1 and 6"
            esac
done

you don't need line #66, the if else if statement takes care of the program flow