linux man page for diff3

DIFF3(1)							   User Commands							  DIFF3(1)

NAME
       diff3 - compare three files line by line

SYNOPSIS
       diff3 [OPTION]... MYFILE OLDFILE YOURFILE

DESCRIPTION
       Compare three files line by line.

       -e  --ed
	      Output unmerged changes from OLDFILE to YOURFILE into MYFILE.

       -E  --show-overlap
	      Output unmerged changes, bracketing conflicts.

       -A  --show-all
	      Output all changes, bracketing conflicts.

       -x  --overlap-only
	      Output overlapping changes.

       -X     Output overlapping changes, bracketing them.

       -3  --easy-only
	      Output unmerged nonoverlapping changes.

       -m  --merge
	      Output merged file instead of ed script (default -A).

       -L LABEL  --label=LABEL
	      Use LABEL instead of file name.

       -i     Append `w' and `q' commands to ed scripts.

       -a  --text
	      Treat all files as text.

       --strip-trailing-cr
	      Strip trailing carriage return on input.

       -T  --initial-tab
	      Make tabs line up by prepending a tab.

       --diff-program=PROGRAM
	      Use PROGRAM to compare files.

       -v  --version
	      Output version info.

       --help Output this help.

       If a FILE is `-', read standard input.  Exit status is 0 if successful, 1 if conflicts, 2 if trouble.

AUTHOR
       Written by Randy Smith.

REPORTING BUGS
       Report  bugs  to:  bug-diffutils@gnu.org GNU diffutils home page: <http://www.gnu.org/software/diffutils/> General help using GNU software:
       <http://www.gnu.org/gethelp/>

COPYRIGHT
       Copyright (C) 2010 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       The full documentation for diff3 is maintained as a Texinfo manual.  If the info and diff3 programs are properly installed  at  your  site,
       the command

	      info diff

       should give you access to the complete manual.

diffutils 2.9.19-4065						    April 2010								  DIFF3(1)