Linux Shell Scripting [Introduction to Linux using awk, sed, vi, if elif else, c

Question

Linux Shell Scripting [Introduction to Linux using awk, sed, vi, if elif else, cut, pipes etc] (no array, no grep)

Write a menu for a phone book system. A- Enter contact information B- Search using a name C- Search using phone number D- Exit Use case statement for reading choices. If choice A is selected then run another script to read contact information. If Bis selected run another script that search using a name. If C is selected run another script to search using phone number. Script for part-A: clear the screen and display: 1- First Name 2- Last Name 3- Phone 4- Email: 5- Exit Store all information in a file and repeat asking the same questions unless the user selects Exit. Then yo should go back to the main menu Script for part-B: Read the name and use awk to search in the file for the given name and display the phone number of that person Script for part-C: Read the phone and use awk to search in the file for the given phone and display the email and name of that person.

Explanation / Answer

# echo "Book = $BOOK"

        echo -e " ======== Beginning Adding Addresses ======= "

        # Ask the user for a name and assign to a variable

        echo -n "Name of person: "

        read name

        # Ask for the street address

        echo -n "Street Address: "

        read street

        # Ask for the city

        echo -n "City: "

        read city

        # Ask for the state address

        echo -n "State: "

        read state

        # Ask for the zip address

        echo -n "Zip Code: "

        read zip

        # Ask the user for a phone number and assign to a variable

        echo -n "Phone number: "

        read phone

        # Echo the answers and ask for confirmation

        echo "Should I enter the values:"

        echo -e " $name $street $city, $state, $zip $phone "

        echo -n "y/n: "

        read answer

        # Convert the answer to lower case

        fixedanswer=`echo $answer | tr "A-Z" "a-z"`;

        if [ "$fixedanswer" = "y" ]

        then

            # Write the values to the address book

            echo "$name;$street;$city;$state;$zip;$phone" >>$BOOK

            echo "Added the entry OK"

            sleep 5

        else

            # Give the user a message

            echo -e " $name $street $city, $state, $zip $phone NOT written to $BOOK"

            sleep 5

        fi

        exit 0

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