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GDIFFMK

Section: User Commands (1)
Updated: 4 November 2014
Index Return to Main Contents
 

NAME

 

SYNOPSIS


gdiffmk [ -a addmark ] [ -c changemark ] [ -d deletemark ] [ -D [ -B ] [ -M mark1 mark2 ] ] [ -x diffcmd ] [ -- ] [ --help ] [ --version ] file1 file2output ]
 

DESCRIPTION

gdiffmk compares two groff(1), nroff(1), or troff(1) documents, file1 and file2, and creates an output which is file2 with added `margin character' (.mc) commands that indicate the differences.

If the output filename is present, the output is written there. If it is - or absent the output is written to the standard output.

If the file1 or file2 argument is - the standard input is read for that input. Clearly both cannot be -.

Note that the output is not necessarily compatible with all macro packages and all preprocessors. See the BUGS section below.  

OPTIONS

-aaddmark
Use the addmark for source lines not in file1 but present in file2. Default: +.
-B
By default, the deleted texts marked by the -D option end with an added troff break command, .br, to ensure that the deletions are marked properly. This is the only way to guarantee that deletions and small changes get flagged. This option directs the program not to insert these breaks; it makes no sense to use it without -D.
-cchangemark
Use the changemark for changed source lines. Default: |.
-ddeletemark
Use the deletemark for deleted source lines. Default: *.
-D
Show the deleted portions from changed and deleted text. Default delimiting marks: [[ ... ]].
-Mmark1 mark2
Change the delimiting marks for the -D option. It makes no sense to use this option without -D.
-xdiffcmd
Use the diffcmd command to perform the comparison of file1 and file2. In particular, diffcmd should accept the GNU diff -Dname option. Default: diff(1).
--
All the following arguments are treated as file names, even if they begin with -.
--help
Print a usage message on standard error output and exit.
--version
Print version information on the standard output and exit.
 

BUGS

The output is not necessarily compatible with all macro packages and all preprocessors. A workaround that is often successful against preprocessor problems is to run gdiffmk on the output of all the preprocessors instead of the input source.

gdiffmk relies on the -Dname option of GNU diff(1) to make a merged `#ifdef' output format. It hasn't been tested whether other versions of diff(1) do support this option. See also the -xdiffcmd option.

Report bugs to Include a complete, self-contained example that will allow the bug to be reproduced, and say which version of gdiffmk you are using.  

COPYRIGHT

Copyright [co] 2004-2014 Free Software Foundation, Inc.

This file is part of the gdiffmk utility, which is part of groff, a free software project.

You can redistribute and/or modify gdiffmk under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

gdiffmk is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.  

AUTHORS

This document was written and is maintained by Mike Bianchi  

SEE ALSO

groff(1), nroff(1), gtroff(1), diff(1)


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
BUGS
COPYRIGHT
AUTHORS
SEE ALSO


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