Telephone book script

 
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# 1  
Old 04-19-2013
Telephone book script

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1. The problem statement, all variables and given/known data:

Hi, here is my other assignment for the week.

Create a shell script for a telephone book application. Display a menu for the following functions.

1. Add an entry----done
2. Display all matches to a string----done
3. Sort and display the file
4. Delete all entries that match a string----done
5. exit the program

Using the phone list below:

• Add a new name to the phone book file
• Display all matches to a name or phone number
• Sort the phone book file by last name
• Delete an entry

Print the results from each sequence of commands

Data File (tabs between fields)
Gene Smith 732 946-4691
Henry Brown 908 922-5820
Harry Crown 609 566-4515
Jim Zark 732 842-1910
Tom Mann 908 264-5321
Jack Spratt 908 264-4816
Joe Bram 609 521-4841



2. Relevant commands, code, scripts, algorithms:

shell programming

3. The attempts at a solution (include all code and scripts):

Code:
#!/bin/sh
    # Name of phonebook
    BOOK="phonebook.txt"

    exit=0

    while [ $exit -ne 1 ]
    do
        echo "operation you want?"
        echo -e "add, list, find, delete, exit: "
        read answer

        if [ "$answer" = "add" ]
        then
            ./add.sh
        elif [ "$answer" = "list" ]
        then
            ./list.sh
        elif [ "$answer" = "find" ]
        then
            ./find.sh
        elif [ "$answer" = "delete" ]
        then
            ./delete.sh
        elif [ "$answer" = "exit" ]
        then
            exit=1
        else
            echo "command not available."
        fi
    done

    exit 0

4. Complete Name of School (University), City (State), Country, Name of Professor, and Course Number (Link to Course):

Brookdale Community College - Lincroft, New Jersey - United States - Dr. Rick Bournique- COMP 145


Note: Without school/professor/course information, you will be banned if you post here! You must complete the entire template (not just parts of it).
# 2  
Old 04-19-2013
Have you heard of case statement?
Do a bit of googling and look around in our forums...
# 3  
Old 04-21-2013
I understand that the case statement will be cleaner, but is this not valid? (e.g. does it accomplish what my teacher wants)?
# 4  
Old 04-21-2013
I tried your master script. It seems to work fine, seems to accomplish what your teacher wants. I did notice (minor nit-picky) that the "echo -e" prints the -e instead of using it as a command option. I won't explain why it does that, according to the forum rules.
# 5  
Old 04-21-2013
I have been trying to replicate this with a case statement because I am not sure which way he wants this. He has an example of creating a menu in our powerpoint slides, so he might want us to do it that way, but I cannot figure out how to add the commands properly. Would it be something like:

Code:
# Use of a case statement to offer a 5 item menu
echo “  Menu\n1. Add an entry \n2. Display all matches to a string\n3. Sort and display the file\n4. Delete all entries that match a string\n5. Quit to Unix\nEnter your option #: \c”
read choice
case “$choice” in
	1) add;;
	2) list;;
	3) find;;
	4) delete;;
	5) exit ;;
	*)	echo “Invalid option”   # ;; not needed for last option
esac

I am not sure how to add the commands properly like I did with the original solution, where I included the sub scripts like ./add.sh. Any ideas?
# 6  
Old 04-21-2013
As you said, I think the teacher just wants something that works. You could ask the teacher if case is preferable, or is OK to use if / else.
# 7  
Old 04-21-2013
Cool he said if / else is fine.
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