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Top Forums Shell Programming and Scripting Bash: Exiting while true loop when terminal is not the focus window Post 302166722 by acclaypool on Tuesday 12th of February 2008 04:16:10 PM
Old 02-12-2008
Power Bash: Exiting while true loop when terminal is not the focus window

I am running an Ubuntu Gutsy laptop with Advanced Compiz fusion options enabled. I am using xdotool to simulate keyboard input in order to rotate through multiple desktops.

I am looking for a way to kill a while true loop when the Enter key (or Control+C if it is easier) is pushed when the terminal window is not the focus window. The following script works like a charm if the terminal is the focus but I'm don't want a terminal window in the rotation.

Any ideas?

Here is the code.

#!/bin/bash



while true;
do
read -t 12 && break
./xdotool key "super+e"
read -t 2 && break
./xdotool key "Right"
read -t 2 && break
./xdotool key "super+e"
read -t 12 && break
./xdotool key "super+e"
read -t 2 && break
./xdotool key "Down"
read -t 2 && break
./xdotool key "super+e"
read -t 12 && break
./xdotool key "super+e"
read -t 2 && break
./xdotool key "Left"
read -t 2 && break
./xdotool key "super+e"
read -t 12 && break
./xdotool key "super+e"
read -t 2 && break
./xdotool key "Up"
read -t 2 && break
./xdotool key "super+e"

done
 

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break(3tcl)						       Tcl Built-In Commands						       break(3tcl)

__________________________________________________________________________________________________________________________________________________

NAME
break - Abort looping command SYNOPSIS
break _________________________________________________________________ DESCRIPTION
This command is typically invoked inside the body of a looping command such as for or foreach or while. It returns a TCL_BREAK code, which causes a break exception to occur. The exception causes the current script to be aborted out to the innermost containing loop command, which then aborts its execution and returns normally. Break exceptions are also handled in a few other situations, such as the catch com- mand, Tk event bindings, and the outermost scripts of procedure bodies. EXAMPLE
Print a line for each of the integers from 0 to 5: for {set x 0} {$x<10} {incr x} { if {$x > 5} { break } puts "x is $x" } SEE ALSO
catch(3tcl), continue(3tcl), for(3tcl), foreach(3tcl), return(3tcl), while(3tcl) KEYWORDS
abort, break, loop Tcl break(3tcl)
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