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NetBSD 6.1.5 - man page for merge (netbsd section 1)

MERGE(1)										 MERGE(1)

NAME
       merge - three-way file merge

SYNOPSIS
       merge [ options ] file1 file2 file3

DESCRIPTION
       merge incorporates all changes that lead from file2 to file3 into file1.  The result ordi-
       narily goes into file1.	merge is useful for combining separate changes	to  an	original.
       Suppose	file2 is the original, and both file1 and file3 are modifications of file2.  Then
       merge combines both changes.

       A conflict occurs if both file1 and file3 have changes in a common segment of lines.  If a
       conflict  is  found,  merge  normally outputs a warning and brackets the conflict with and
       lines.  A typical conflict will look like this:

	       file A
	      lines in file A
	      =======
	      lines in file B
	       file B

       If there are conflicts, the user should edit the result and delete  one	of  the  alterna-
       tives.

OPTIONS
       -A     Output  conflicts  using	the  -A  style	of diff3(1), if supported by diff3.  This
	      merges all changes leading from file2 to file3 into file1, and generates	the  most
	      verbose output.

       -E, -e These  options specify conflict styles that generate less information than -A.  See
	      diff3(1) for details.  The default is -E.  With -e, merge does not warn about  con-
	      flicts.

       -L label
	      This  option  may  be  given  up to three times, and specifies labels to be used in
	      place  of  the  corresponding  file  names   in	conflict   reports.    That   is,
	      merge -L x -L y -L z a b c generates output that looks like it came from files x, y
	      and z instead of from files a, b and c.

       -p     Send results to standard output instead of overwriting file1.

       -q     Quiet; do not warn about conflicts.

       -V     Print version number.

DIAGNOSTICS
       Exit status is 0 for no conflicts, 1 for some conflicts, 2 for trouble.

IDENTIFICATION
       Author: Walter F. Tichy.
       Manual Page Revision: ; Release Date: .
       Copyright (C) 1982, 1988, 1989 Walter F. Tichy.
       Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995 Paul Eggert.

SEE ALSO
       diff3(1), diff(1), rcsmerge(1), co(1).

BUGS
       It normally does not make sense to merge binary files as if  they  were	text,  but  merge
       tries to do it anyway.

					       GNU					 MERGE(1)


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