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Full Discussion: What is a menu or command line option driven script?
Top Forums UNIX for Dummies Questions & Answers What is a menu or command line option driven script? Post 302479011 by Corona688 on Thursday 9th of December 2010 11:44:19 AM
Old 12-09-2010
A menu driven script is driven by a menu in a terminal. It waits for user input to tell it what to do.

Code:
$ ./menu-driven-script.pl
What would you like to do?
1) reboot system
2) feed water buffaloes
3) appease turnips
4) quit
Option [1234]:

A script that uses commandline parameters takes its options directly from the command line and doesn't wait for user input:

Code:
$ ./commandline-driven-script.pl --feed-water-buffaloes
$

 

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LEARN ABOUT OPENDARWIN

menu_userptr

menu_userptr(3X)														  menu_userptr(3X)

NAME

       menu_userptr - associate application data with a menu item

SYNOPSIS

       #include <menu.h>
       int set_menu_userptr(MENU *menu, void *userptr);
       void *menu_userptr(const MENU *menu);

DESCRIPTION

       Every  menu  and  every	menu  item has a field that can be used to hold application-specific data (that is, the menu-driver code leaves it
       alone).	These functions get and set the menu user pointer field.

RETURN VALUE

       Except for menu_userptr (which returns NULL on error), each function returns one of the following:

       E_OK The routine succeeded.

       E_SYSTEM_ERROR
	    System error occurred (see errno).

SEE ALSO

       curses(3X), menu(3X).

NOTES

       The header file <menu.h> automatically includes the header file <curses.h>.

PORTABILITY

       These routines emulate the System V menu library.  They were not supported on Version 7 or BSD versions.

       The user pointer should be a void pointer.  We leave it as a char pointer for SVr4 compatibility.

AUTHORS

       Juergen Pfeifer.  Manual pages and adaptation for new curses by Eric S. Raymond.

																  menu_userptr(3X)
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