Linux newbie scripting help needed (timer) Post: 302584013

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Top Forums Shell Programming and Scripting Linux newbie scripting help needed (timer) Post 302584013 by Pop45398 on Thursday 22nd of December 2011 01:39:44 AM

12-22-2011

Registered User

Linux newbie scripting help needed (timer)

Hi,

Newbie to Linux needing some help with scripting, here. I've written a script that allows easily shutting down, rebooting, or exiting to terminal mode via a Dialog menu after logging out of X-server. In my .bash_profile I have startx followed by running my script, shutdownmenu.sh, and it works as I wanted but now I'd like to automatically shut down the computer in 5 seconds unless reboot or terminal mode is selected before the timeout. Is it possible to add a timer to my script to perform this? TIA. Here's my script:

Code:

#!/bin/bash
# shutdownmenu.sh - A shell script for a shutdown menu

# Store menu options selected
INPUT=/tmp/menu.sh.$$

# Clear screen then display menu box
dialog --clear \
--title "[ Shutdown Options ]" \
--menu "Use the UP/DOWN arrow keys, the first letter of the choice, \
or the number keys 1-3 to choose an option." 12 50 3 \
Shutdown_computer "" \
Restart_computer "" \
Terminal_mode "" \
2>"${INPUT}"
 
menuitem=$(<"${INPUT}")
  
# make decsion 
case $menuitem in

# delete temp file then shutdown
  Shutdown_computer) [ -f $INPUT ] && rm $INPUT; poweroff;;

# delete temp file then reboot
  Restart_computer) [ -f $INPUT ] && rm $INPUT; reboot;;

# delete temp file then exit to terminal
  Terminal_mode) [ -f $INPUT ] && rm $INPUT; clear;;

# catchall for cancel or other input
# delete temp file then exit to terminal
  *) [ -f $INPUT ] && rm $INPUT; clear;;
esac

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d_menu_proc

d_menu_proc(3alleg4)						  Allegro manual					      d_menu_proc(3alleg4)

NAME

       d_menu_proc - Dialog procedure implementing a menu bar object. Allegro game programming library.

SYNOPSIS

       #include <allegro.h>

       int d_menu_proc(int msg, DIALOG *d, int c);

DESCRIPTION

       This object is a menu bar which will drop down child menus when it is clicked or if an alt+key corresponding to one of the shortcuts in the
       menu is pressed. It ignores a lot of the fields in the dialog structure, in particular the color is taken from the  gui_*_color	variables,
       and  the  width	and height are calculated automatically (the w and h fields from the DIALOG are only used as a minimum size.) The dp field
       points to an array of menu structures: see do_menu() for more information. The top level menu will be displayed as a  horizontal  bar,  but
       when  child  menus drop down from it they will be in the normal vertical format used by do_menu(). When a menu item is selected, the return
       value from the menu callback function is passed back to the dialog manager, so your callbacks should return D_O_K, D_REDRAW, or D_CLOSE.

SEE ALSO

       active_menu(3alleg4), gui_menu_draw_menu(3alleg4), exgui(3alleg4)

Allegro 							   version 4.4.2					      d_menu_proc(3alleg4)