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GRFDiff(1) General Commands Manual GRFDiff(1)

NAME

GRFDiffA tool to create a binary GRF diff from to GRFs.

SYNOPSIS

grfdiff [-hnxyv] [-l numbers] [-o GRF‐File] Original‐GRF‐file New‐GRF‐file
Compare the two GRF files and produce a GRD file containing only the sprites from the second file that are different from the first file.
GRFDiff makes a .GRD file with the same basename as the new GRF file.

OPTIONS

-h
Display the help message.
-l numbers
Save the sprites with these numbers in the .GRD instead of finding the modified sprites. With this option, the first GRF file can be omitted.
Format of the numbers: <from1>[‐<to1>][,<from2>[‐<to2>]]... e.g. 1‐5,8,20‐31 (must be increasing numbers).
-n
Only show a list of modified sprites, don't make a .GRF file.
-x
Make a self‐extracting (.EXE) file instead of a .GRD.
-y
Answer 'y' to all questions.
-v
Display the version.
You can specify several sets of GRF files along with their -l options by separating them with a double‐dash `--'. The result will be written to a single .GRD file. Only -l is valid after the first set.

SEE ALSO

The documentation in /usr/share/doc/grfcodec/

AUTHOR

GRFDiff was written by Josef Drexler.
This manual page was written by Remko Bijker.

COPYRIGHT

GRFDiff is Copyright (C) 2003 by Josef Drexler <jdrexler@uwo.ca>
August 5, 2010