(diff.info.gz) patch Options
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(diff.info.gz) Invoking patch
Options to `patch'
==================
Here is a summary of all of the options that GNU `patch' accepts.
patch and Tradition, for which of these options are safe to use
in older versions of `patch'.
Multiple single-letter options that do not take an argument can be
combined into a single command line argument with only one dash.
`-b'
`--backup'
Back up the original contents of each file, even if backups would
normally not be made. Backups.
`-B PREFIX'
`--prefix=PREFIX'
Prepend PREFIX to backup file names. Backup Names.
`--backup-if-mismatch'
Back up the original contents of each file if the patch does not
exactly match the file. This is the default behavior when not
conforming to POSIX. Backups.
`--binary'
Read and write all files in binary mode, except for standard output
and `/dev/tty'. This option has no effect on POSIX-conforming
systems like GNU/Linux. On systems where this option makes a
difference, the patch should be generated by `diff -a --binary'.
Binary.
`-c'
`--context'
Interpret the patch file as a context diff. patch Input.
`-d DIRECTORY'
`--directory=DIRECTORY'
Make directory DIRECTORY the current directory for interpreting
both file names in the patch file, and file names given as
arguments to other options. patch Directories.
`-D NAME'
`--ifdef=NAME'
Make merged if-then-else output using NAME. If-then-else.
`--dry-run'
Print the results of applying the patches without actually changing
any files. Dry Runs.
`-e'
`--ed'
Interpret the patch file as an `ed' script. patch Input.
`-E'
`--remove-empty-files'
Remove output files that are empty after the patches have been
applied. Creating and Removing.
`-f'
`--force'
Assume that the user knows exactly what he or she is doing, and do
not ask any questions. patch Messages.
`-F LINES'
`--fuzz=LINES'
Set the maximum fuzz factor to LINES. Inexact.
`-g NUM'
`--get=NUM'
If NUM is positive, get input files from a revision control system
as necessary; if zero, do not get the files; if negative, ask the
user whether to get the files. Revision Control.
`--help'
Output a summary of usage and then exit.
`-i PATCHFILE'
`--input=PATCHFILE'
Read the patch from PATCHFILE rather than from standard input.
patch Options.
`-l'
`--ignore-white-space'
Let any sequence of blanks (spaces or tabs) in the patch file match
any sequence of blanks in the input file. Changed White
Space.
`-n'
`--normal'
Interpret the patch file as a normal diff. patch Input.
`-N'
`--forward'
Ignore patches that `patch' thinks are reversed or already applied.
See also `-R'. Reversed Patches.
`--no-backup-if-mismatch'
Do not back up the original contents of files. This is the default
behavior when conforming to POSIX. Backups.
`-o FILE'
`--output=FILE'
Use FILE as the output file name. patch Options.
`-pNUMBER'
`--strip=NUMBER'
Set the file name strip count to NUMBER. patch
Directories.
`--posix'
Conform to POSIX, as if the `POSIXLY_CORRECT' environment variable
had been set. patch and POSIX.
`--quoting-style=WORD'
Use style WORD to quote names in diagnostics, as if the
`QUOTING_STYLE' environment variable had been set to WORD.
patch Quoting Style.
`-r REJECT-FILE'
`--reject-file=REJECT-FILE'
Use REJECT-FILE as the reject file name. Reject Names.
`-R'
`--reverse'
Assume that this patch was created with the old and new files
swapped. Reversed Patches.
`-s'
`--quiet'
`--silent'
Work silently unless an error occurs. patch Messages.
`-t'
`--batch'
Do not ask any questions. patch Messages.
`-T'
`--set-time'
Set the modification and access times of patched files from time
stamps given in context diff headers, assuming that the context
diff headers use local time. Patching Time Stamps.
`-u'
`--unified'
Interpret the patch file as a unified diff. patch Input.
`-v'
`--version'
Output version information and then exit.
`-V BACKUP-STYLE'
`--version=control=BACKUP-STYLE'
Select the naming convention for backup file names. Backup
Names.
`--verbose'
Print more diagnostics than usual. patch Messages.
`-x NUMBER'
`--debug=NUMBER'
Set internal debugging flags. Of interest only to `patch'
patchers.
`-Y PREFIX'
`--basename-prefix=PREFIX'
Prepend PREFIX to base names of backup files. Backup
Names.
`-z SUFFIX'
`--suffix=SUFFIX'
Use SUFFIX as the backup extension instead of `.orig' or `~'.
Backup Names.
`-Z'
`--set-utc'
Set the modification and access times of patched files from time
stamps given in context diff headers, assuming that the context
diff headers use UTC. Patching Time Stamps.
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(diff.info.gz) Invoking patch
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