comm
Package: WA2L/WinTools 1.2.08
Section: User Commands (1)
Updated: February 2016
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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.
When FILE1 or FILE2 (not both) is -, read standard input.
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 column 1 (lines unique to FILE1)
- -2
-
suppress column 2 (lines unique to FILE2)
- -3
-
suppress column 3 (lines that appear in both files)
- --check-order
-
check that the input is correctly sorted, even
if all input lines are pairable
- --nocheck-order
-
do not check that the input is correctly sorted
- --output-delimiter=,STR/
-
separate columns with STR
- -z, --zero-terminated
-
line delimiter is NUL, not newline
- --help
-
display this help and exit
- --version
-
output version information and exit
Note, comparisons honor the rules specified by 'LC_COLLATE'.
EXAMPLES
- 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.
AUTHOR
Written by Richard M. Stallman and David MacKenzie.
REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Report comm translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright © 2016 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 ALSO
join(1), uniq(1)
Full documentation at: <http://www.gnu.org/software/coreutils/comm>
or available locally via: info aq(coreutils) comm invocationaq
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Time: 16:33:30 GMT, September 14, 2024