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Full Discussion: Select Command - return
Top Forums UNIX for Dummies Questions & Answers Select Command - return Post 302752037 by gio001 on Saturday 5th of January 2013 11:05:24 AM
Old 01-05-2013
Select Command - return
Hello everyone,
A simple question which may have a suggested solution:
I am using, and loving, the select command in a ksh93 script on AIX 6.1 to present users with menus.
I have been successful in controlling all of key input by the users, I still have an issue with the RETURN key. When the menu is presented if the user presses the return key by itself the menu gets redrawn. If the user keeps pressing return the screen keeps getting full of the same menu over and over and it scrolls.
Is there a way to capture the fact that return was pressed by itself and take care of action needed in the do....done attached to the select?
Or alternatively allow the return to redraw the menu but on top the original one, and not append it to the screen after the PS3 prompt?
Hope you all have some suggestions.
Thanks, and a Happy New Year everyone !
 

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LEARN ABOUT OPENSOLARIS

post_menu

menu_post(3CURSES)					     Curses Library Functions						menu_post(3CURSES)

NAME

       menu_post, post_menu, unpost_menu - write or erase menus from associated subwindows

SYNOPSIS

       cc [ flag... ] file... -lmenu  -lcurses	[ library... ]
       #include <menu.h>

       int post_menu(MENU *menu);

       int unpost_menu(MENU *menu);

DESCRIPTION

       post_menu()  writes  menu to the subwindow. The application programmer must use curses library routines to display the menu on the physical
       screen or call update_panels() if the panels library is being used.

       unpost_menu() erases menu from its associated subwindow.

RETURN VALUES

       These routines return one of the following:

       E_OK		  The routine returned successfully.

       E_SYSTEM_ERROR	  System error.

       E_BAD_ARGUMENT	  An incorrect argument was passed to the routine.

       E_POSTED 	  The menu is already posted.

       E_BAD_STATE	  The routine was called from an initialization or termination function.

       E_NO_ROOM	  The menu does not fit within its subwindow.

       E_NOT_POSTED	  The menu has not been posted.

       E_NOT_CONNECTED	  No items are connected to the menu.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |Unsafe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       curses(3CURSES), menus(3CURSES), panels(3CURSES), attributes(5)

NOTES

       The header <menu.h> automatically includes the headers  <eti.h> and <curses.h>.

SunOS 5.11							    31 Dec 1996 						menu_post(3CURSES)
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