Diff
Revision as of 16:47, 19 October 2014 by Crawldragon (talk | contribs) (→See Also: Adding a link to Patching for those who want to know how to use their diff files once they've got them)
diff is a program that creates specially formed patch files. It compares two files, and outputs the differences in a format that can be used to recreate one of the files from the other. (These special files are called either patch-files or diff-files.)
The usual invocation of the program is something like this:
diff -Nurd original-nethack-dir/ changed-nethack-dir/
See Also
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