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Langue: en

Version: December 24, 2009 (ubuntu - 24/10/10)

Section: 1 (Commandes utilisateur)


grfcodec, grfmerge, grfdiff - programs to work with GRF files.


grfcodec -e [options] file.grf [directory]
grfcodec -d [options] file.grf [directory]
grfdiff [options] file1.grf file2.grf
grfmerge [options] file.grd [file.grf]


This manual page documents briefly the grfcodec, grfdiff and grfmerge commands.

grfcodec is a program that encodes and decodes grf files. grfdiff is a program that finds the differences between two grf files and outputs a grd file. grfmerge is a program that merges the differences from a grd file into a grf file.


These programs take a number of single letter options, starting with a single dash. These options are not documented here, but there is extensive documentation available in /usr/share/doc/grfcodec/grfcodec.txt.gz. These options are also documented in the output of grfcodec (without arguments), grdiff -h and grfmerge -h.


Files in /usr/share/doc/grfcodec/.


grfcodec was written by Josef Drexler <>

This manual page was written by Matthijs Kooijman <>, for the Debian project (and may be used by others).

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