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Name

comm - compare two sorted files line by line

Synopsis

comm [OPTION]... FILE1 FILE2

Description

Compare sorted files FILE1 and FILE2 line by line.

With no options, produce three-column output. Column one contains lines unique to FILE1, column two contains lines unique to FILE2, and column three contains lines common to both files.

-1
suppress lines unique to FILE1

-2
suppress lines unique to FILE2

-3
suppress lines that appear in both files

--help display this help and exit

--version
output version information and exit

Author

Written by Richard Stallman and David MacKenzie.

Reporting Bugs

Report bugs to <bug-coreutils@gnu.org>.

Copyright

Copyright (C) 2006 Free Software Foundation, Inc. This is free software. You may redistribute copies of it under the terms of the GNU General Public License <http://www.gnu.org/licenses/gpl.html>. There is NO WARRANTY, to the extent permitted by law.

See Also

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

info comm

should give you access to the complete manual.


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