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Shell Programming and Scripting
Grabbing Keywords Below a Searched Keyword
Post 302628463 by jl487 on Monday 23rd of April 2012 01:51:04 PM
04-23-2012
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LEARN ABOUT REDHAT
xscreensaver-getimage
XScreenSaver(1) General Commands Manual XScreenSaver(1) NAME
xscreensaver-getimage - put some randomly-selected image on the root window SYNOPSIS
xscreensaver-getimage [-display host:display.screen] [--verbose] window-id DESCRIPTION
The xscreensaver-getimage program is a helper program for the xscreensaver hacks that manipulate images. This is not a user-level command. This program selects a random image, and puts it on the specified window. This image might be a snapshot of the desktop; or a frame cap- tured from the system's video input; or a randomly-selected image from disk. OPTIONS
xscreensaver-getimage reads the ~/.xscreensaver file for configuration information. It uses these settings: grabDesktopImages Whether it is acceptable to grab snapshots of the desktop. The security paranoid might want to turn this off, to avoid letting people see (but not touch!) your desktop while the screen is locked. grabVideoFrames Whether it is acceptable to grab frames of video from the system's video input. Grabbing of video is done by invoking the xscreen- saver-getimage-video(1) program. chooseRandomImages Whether it is acceptable to display random images found on disk. Selection and loading of images is done by invoking the xscreensaver- getimage-file(1) program. imageDirectory When loading images from disk, this is the directory to search. The directory will be searched recursively, and all files in it are assumed to be images. If none of the three options are set to True, then video colorbars will be displayed instead. BUGS
If the target window is not the root window, then this program will always grab a desktop image. This means that if an image-manipulating xscreensaver mode is run in a normal window, it will always operate on a desktop image; it's only when it is run in -root mode (or when invoked by xscreensaver) that it will load image files or grab video. SEE ALSO
X(1), xscreensaver(1) xscreensaver-demo(1) xscreensaver-getimage-file(1) xscreensaver-getimage-video(1) COPYRIGHT
Copyright (C) 2001 by Jamie Zawinski. Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. No representations are made about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. AUTHOR
Jamie Zawinski <jwz@jwz.org>, 14-Apr-01 X Version 11 03-Feb-2003 (4.07) XScreenSaver(1)