Menu driven program in unix example

Help needed in writing a menu driven script. What is a menu or command line option driven script? Menu driven Script needed.. Hi Guys.. I need a Menu need to create using shell scrpting eg: Food items ready paid if i press "f" need to add items for a file food items.. Menu Driven Shell Script which accepts1 to 5 options. Use and complete the template provided. The entire template must be completed.

If you don't, your post may be deleted! I need to have a script that can do an automated IPL function how to reboot the box. However, how would I go about doing it, for example if the user states from a menu script that I would like to reboot now. Menu driven using Ksh. Hi Guys, I would like to know how to write Menu driven programs using ksh. I have several script files 1. Main Menu 1. Data Entry if you press 1 again submenu 1. Order entry RedHat Commands.

OpenSolaris Commands. This function To add items to this second The following steps simply define This function displays the menu. The routine clears the screen, echoes Note that this definition does Exit" Every thing up to this point has been to define The program actually starts running here.

Clear out the error message variable Repeat the menu over and over Steps are: Display the menu Clear the error message Check the answer for a or A or b or B etc. If the entry was invalid call the badchoice function This error message is used when setting up the menu Clear any error message Execute one of the defined functions based on the If the choice was E through L, the pre-defined Line 6 contains a menu name or logo that is displayed at the top of the menu.

Lines 18 through 29 include the variables amenu through lmenu , containing the prompts for 12 lines of menu options. In Listing 1 prompt values are defined for amenu through dmenu. The variables emenu through lmenu are left blank. To create your own custom menu you would modify these value to display up to 12 lines of menu options. Lines 31 through contain function definitions used by the script.

In all of these lines of code, no actual program steps are performed. Instead the script builds the functions that will be used in the main logic of the program. Line 35 contains a definition for a badchoice function. This is a simple function that is used by the menu system whenever the user: Selects an invalid key.

A through L, a through l, and X or x are the only valid keys. Selects a valid key that does not have a menu pick associated with it. The badchoice function is very simple. It loads a variable with an error message. Lines 67 through 78 contain the definitions of 12 functions, apick through lpick. These functions are the commands to be executed when a user makes a menu pick. For epick through lpick , the command is to call the badchoice function.

We have then defined various functions in order to add, show, and search different contacts. As a result, the program is completed successfully, and the output of the same can be seen above. In the above tutorial, we have understood the meaning of Menu-Driven Programming along with some examples. We have created three different programs, including the mensuration program, a simple calculator, and a phonebook directory.

Apart from these three, there are many other programs that one can create. JavaTpoint offers too many high quality services. Mail us on [email protected] , to get more information about given services. Please mail your requirement at [email protected] Duration: 1 week to 2 week. Python Tutorial. Calculate Parameter" print "2. Calculate Area" print "3. Circle" print "2. Rectangle" print "3. Square" print "4. Incorrect Choice. Calculate Parameter 2.

Calculate Area 3. Circle 2. Rectangle 3. Square 4. Exit Enter the Choice:5 Oops! Exit Enter the Choice Sum of two Numbers" print "2. Difference between two Numbers" print "3. Product of two Numbers" print "4. Division of two Numbers" print "5. Sum of two Numbers 2. Difference between two Numbers 3. Product of two Numbers 4. Division of two Numbers 5. Exit Enter the Choice: 5. Show all existing Contacts" print "2. Add a new Contact" print "3. Search the existing Contact" print "4.

Show all existing Contacts 2.