(diff.info.gz) Creating and Removing
Info Catalog
(diff.info.gz) Imperfect
(diff.info.gz) Merging with patch
(diff.info.gz) Patching Time Stamps
Creating and Removing Files
===========================
Sometimes when comparing two directories, a file may exist in one
directory but not the other. If you give `diff' the `-N' or
`--new-file' option, or if you supply an old or new file that is named
`/dev/null' or is empty and is dated the Epoch (1970-01-01 00:00:00
UTC), `diff' outputs a patch that adds or deletes the contents of this
file. When given such a patch, `patch' normally creates a new file or
removes the old file. However, when conforming to POSIX ( patch
and POSIX), `patch' does not remove the old file, but leaves it empty.
The `-E' or `--remove-empty-files' option causes `patch' to remove
output files that are empty after applying a patch, even if the patch
does not appear to be one that removed the file.
If the patch appears to create a file that already exists, `patch'
asks for confirmation before applying the patch.
Info Catalog
(diff.info.gz) Imperfect
(diff.info.gz) Merging with patch
(diff.info.gz) Patching Time Stamps
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