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NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | AUTHOR | COLOPHON |
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GENDIFF(1) GENDIFF(1)
gendiff - utility to aid in error-free diff file generation
gendiff <directory> <diff-extension>
gendiff is a rather simple script which aids in generating a diff
file from a single directory. It takes a directory name and a
"diff-extension" as its only arguments. The diff extension
should be a unique sequence of characters added to the end of all
original, unmodified files. The output of the program is a diff
file which may be applied with the patch program to recreate the
changes.
The usual sequence of events for creating a diff is to create two
identical directories, make changes in one directory, and then
use the diff utility to create a list of differences between the
two. Using gendiff eliminates the need for the extra, original
and unmodified directory copy. Instead, only the individual
files that are modified need to be saved.
Before editing a file, copy the file, appending the extension you
have chosen to the filename. I.e. if you were going to edit
somefile.cpp and have chosen the extension "fix", copy it to
somefile.cpp.fix before editing it. Then edit the first copy
(somefile.cpp).
After editing all the files you need to edit in this fashion, en‐
ter the directory one level above where your source code resides,
and then type
$ gendiff somedirectory .fix > mydiff-fix.patch
You should redirect the output to a file (as illustrated) unless
you want to see the results on stdout.
diff(1), patch(1)
Marc Ewing <marc@redhat.com>
This page is part of the rpm (RPM Package Manager) project. In‐
formation about the project can be found at
⟨https://github.com/rpm-software-management/rpm⟩. It is not known
how to report bugs for this man page; if you know, please send a
mail to man-pages@man7.org. This page was obtained from the
project's upstream Git repository
⟨https://github.com/rpm-software-management/rpm.git⟩ on
2024-06-14. (At that time, the date of the most recent commit
that was found in the repository was 2024-06-14.) If you
discover any rendering problems in this HTML version of the page,
or you believe there is a better or more up-to-date source for
the page, or you have corrections or improvements to the
information in this COLOPHON (which is not part of the original
manual page), send a mail to man-pages@man7.org
Mon Jan 10 2000 GENDIFF(1)
Pages that refer to this page: rpmbuild(8)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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