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comm(1)

compare two sorted files line by line

Package: coreutil, added for amigaux.

This package comes with the extra set; without it, comm is the original one: see comm-original(1).

comm - compare two sorted files line by line

comm [OPTION]... FILE1 FILE2

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
display this help and exit
output version information and exit

Written by Richard Stallman and David MacKenzie.

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

Copyright © 2004 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

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 coreutils comm

should give you access to the complete manual.

March 2004 comm (coreutils) 5.2.1