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FLIPDIFF(1)			   Man pages			   FLIPDIFF(1)

NAME
       flipdiff	- exchange the order of	two incremental	patches

SYNOPSIS
       flipdiff	[[-p n]	| [--strip-match=n]] [[-U n] | [--unified=n]]
		[[-d PAT] | [--drop-context=PAT]] [[-q]	| [--quiet]] [[-z] |
		[--decompress]]	[[-b] |	[--ignore-space-change]] [[-B] |
		[--ignore-blank-lines]]	[[-i] |	[--ignore-case]] [[-w] |
		[--ignore-all-space]] [--in-place] diff1 diff2

       flipdiff	{[--help] | [--version]}

DESCRIPTION
       flipdiff	exchanges the order of two patch files that apply one after
       the other. The patches must be "clean": the context lines must match
       and there should	be no mis-matched offsets.

       The swapped patches are sent to standard	output,	with a marker line
       ("=== 8<	=== cut	here === 8< ===") between them,	unless the --in-place
       option is passed. In that case, the output is written back to the
       original	input files.

OPTIONS
       -p n, --strip-match=n
	   When	comparing filenames, ignore the	first n	pathname components
	   from	both patches. (This is similar to the -p option	to GNU
	   patch(1).)

       -q, --quiet
	   Quieter output. Don't emit rationale	lines at the beginning of each
	   patch.

       -U n, --unified=n
	   Attempt to display n	lines of context (requires at least n lines of
	   context in both input files). (This is similar to the -U option to
	   GNU diff(1).)

       -d pattern, --drop-context=PATTERN
	   Don't display any context on	files that match the shell wildcard
	   pattern. This option	can be given multiple times.

	   Note	that the interpretation	of the shell wildcard pattern does not
	   count slash characters or periods as	special	(in other words, no
	   flags are given to fnmatch).	This is	so that	"*/basename"-type
	   patterns can	be given without limiting the number of	pathname
	   components.

       -i, --ignore-case
	   Consider upper- and lower-case to be	the same.

       -w, --ignore-all-space
	   Ignore whitespace changes in	patches.

       -b, --ignore-space-change
	   Ignore changes in the amount	of whitespace.

       -B, --ignore-blank-lines
	   Ignore changes whose	lines are all blank.

       -z, --decompress
	   Decompress files with extensions .gz	and .bz2.

       --in-place
	   Write output	to the original	input files.

       --help
	   Display a short usage message.

       --version
	   Display the version number of flipdiff.

LIMITATIONS
       This is only been very lightly tested, and may not even work. Using
       --in-place is not recommended at	the moment.

       There are some cases in which it	is not possible	to meaningfully	flip
       patches without understanding the semantics of the content. This
       program only uses complete lines	that appear at some stage during the
       application of the two patches, and never composes a line from parts.

       Because of this,	it is generally	a good idea to read through the	output
       to check	that it	makes sense.

AUTHOR
       Tim Waugh <twaugh@redhat.com>
	   Package maintainer

patchutils			23 January 2009			   FLIPDIFF(1)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | LIMITATIONS | AUTHOR

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