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<!doctype HTML public "-//W3O//DTD W3 HTML 2.0//EN"> <HTML> <HEAD> <TITLE>gifflip</TITLE> <link rev=made href=mailto:esr@snark.thyrsus.com> </HEAD> <BODY> Go to <a href="index.html">index page</a>. <CENTER><H1>gifflip</H1></CENTER> A program to flip (mirror) GIF file along X or Y axes, or rotate the GIF file 90 degrees to the left or to the right.<P> <H1>Usage:</H1> <pre> gifflip [-q] [-r] [-l] [-x] [-y] [-h] gif-file </pre> If no gif-file is given, GifFlip will try to read a GIF file from stdin.<P> <H1>Memory required:</H1> Image. <H1>Options:</H1> <DL> <DT> [-q] <DD> Quiet mode. Default off on MSDOS, on under UNIX. Controls printout of running scan lines. Use -q- to invert.<P> <DT> [-r] <DD> Rotate the GIF file to the right.<P> <DT> [-l] <DD> Rotate the GIF file to the left.<P> <DT> [-x] <DD> Mirror the GIF file along the X axis. Very useful if GIF file was created from another format in with the first line in at image bottom. Effectively exchanges first row with last.<P> <DT> [-y] <DD> Mirror the GIF file along Y axis. Effectively exchanges first column with last.<P> <DT> [-h] <DD> Print one line of command line help, similar to Usage above.<P> </DL> <H1>Author:</H1> Gershon Elber <HR> <ADDRESS>Eric S. Raymond <A HREF="mailto:esr@thyrsus.com"><esr@snark.thyrsus.com></A></ADDRESS> </BODY> </HTML>