COMMSection: User Commands (1)
Updated: June 2012
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NAMEcomm - compare two sorted files line by line
SYNOPSIScomm [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.
- suppress column 1 (lines unique to FILE1)
- suppress column 2 (lines unique to FILE2)
- suppress column 3 (lines that appear in both files)
- check that the input is correctly sorted, even if all input lines are pairable
- do not check that the input is correctly sorted
- separate columns with STR
- display this help and exit
- output version information and exit
- comm -12 file1 file2
- Print only lines present in both file1 and file2.
- comm -3
- file1 file2 Print lines in file1 not in file2, and vice versa.
AUTHORWritten by Richard M. Stallman and David MacKenzie.
REPORTING BUGSReport comm bugs to email@example.com
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Report comm translation bugs to <http://translationproject.org/team/>
COPYRIGHTCopyright © 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 ALSOjoin(1), uniq(1)
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 aqcomm invocationaq
should give you access to the complete manual.
This document was created by man2html, using the manual pages.
Time: 05:29:02 GMT, December 24, 2015