Difference between revisions of "Diff"
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'''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 [[patching|patch-files]] or diff-files.) | '''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 [[patching|patch-files]] or diff-files.) | ||
Revision as of 08:30, 16 December 2007
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/
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