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CentOS 7.0 - man page for diff3 (centos section 1)

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. Mandatory arguments to long options are mandatory for short options too. -A, --show-all output all changes, bracketing conflicts -e, --ed output ed script incorporating changes from OLDFILE to YOURFILE into MYFILE -E, --show-overlap like -e, but bracket conflicts -3, --easy-only like -e, but incorporate only nonoverlapping changes -x, --overlap-only like -e, but incorporate only overlapping changes -X like -x, but bracket conflicts -i append `w' and `q' commands to ed scripts -m, --merge output actual merged file, according to -A if no other options are given -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 -L, --label=LABEL use LABEL instead of file name (can be repeated up to three times) --help display this help and exit -v, --version output version information and exit The default output format is a somewhat human-readable representation of the changes. The -e, -E, -x, -X (and corresponding long) options cause an ed script to be output instead of the default. Finally, the -m (--merge) option causes diff3 to do the merge internally and output the actual merged file. For unusual input, this is more robust than using ed. 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) 2011 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 per- mitted by law.
SEE ALSO
cmp(1), diff(1), sdiff(1) The full documentation for diff3 is maintained as a Texinfo manual. If the info and diff3 programs are prop- erly installed at your site, the command info diff3 should give you access to the complete manual. diffutils 3.3 March 2013 DIFF3(1)
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