Reference

uu-comm(1)

Compare two sorted files 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.

NAME

comm - Compare two sorted files 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.

SYNOPSIS

comm [OPTION]... FILE1 FILE2

DESCRIPTION

Compare two sorted files 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.

OPTIONS

-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)

--output-delimiter <STR>

separate columns with STR

-z, --zero-terminated

line delimiter is NUL, not newline

--total

output a summary

--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

-h, --help

Print help

-V, --version

Print version

<FILE1>
<FILE2>

VERSION

v(uutils coreutils) 0.12.0