comm(category14-security-amp-firewalls.html) - phpMan

COMM(1)                          User Commands                         COMM(1)

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 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
       --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.
       GNU  coreutils  online  help:  <http://www.gnu.org/software/coreutils/>;
       Report comm translation bugs to <http://translationproject.org/team/>;
AUTHOR
       Written by Richard M. Stallman and David MacKenzie.
COPYRIGHT
       Copyright  (C) 2013 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)
       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 invocation'
       should give you access to the complete manual.

GNU coreutils 8.22               November 2020                         COMM(1)