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Top Forums Shell Programming and Scripting printing messages on the screen when background process is going on! Post 302367771 by methyl on Tuesday 3rd of November 2009 11:47:18 AM
Old 11-03-2009
Please post the script and state exactly how the script will be run and in what context (command line, command line with nohup ... &, cron etc. ).


Adding two numbers on a modern computer should take nanoseconds. Displaying the result on a terminal takes longer.
 

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XREFRESH(1)						      General Commands Manual						       XREFRESH(1)

NAME
xrefresh - refresh all or part of an X screen SYNOPSIS
xrefresh [-option ...] DESCRIPTION
Xrefresh is a simple X program that causes all or part of your screen to be repainted. This is useful when system messages have messed up your screen. Xrefresh maps a window on top of the desired area of the screen and then immediately unmaps it, causing refresh events to be sent to all applications. By default, a window with no background is used, causing all applications to repaint ``smoothly.'' However, the various options can be used to indicate that a solid background (of any color) or the root window background should be used instead. ARGUMENTS
-white Use a white background. The screen just appears to flash quickly, and then repaint. -black Use a black background (in effect, turning off all of the electron guns to the tube). This can be somewhat disorienting as everything goes black for a moment. -solid color Use a solid background of the specified color. Try green. -root Use the root window background. -none This is the default. All of the windows simply repaint. -geometry WxH+X+Y Specifies the portion of the screen to be repainted; see X(7). -display display This argument allows you to specify the server and screen to refresh; see X(7). X DEFAULTS
The xrefresh program uses the routine XGetDefault(3X) to read defaults, so its resource names are all capitalized. Black, White, Solid, None, Root Determines what sort of window background to use. Geometry Determines the area to refresh. Not very useful. ENVIRONMENT
DISPLAY - To get default host and display number. SEE ALSO
X(7) BUGS
It should have just one default type for the background. AUTHORS
Jim Gettys, Digital Equipment Corp., MIT Project Athena X Version 11 xrefresh 1.0.3 XREFRESH(1)
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