76 lines
2.1 KiB
Groff
76 lines
2.1 KiB
Groff
.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.50.1.
|
|
.TH COMM "1" "April 2025" "GNU coreutils 9.7" "User Commands"
|
|
.SH NAME
|
|
comm \- compare two sorted files line by line
|
|
.SH SYNOPSIS
|
|
.B comm
|
|
[\fI\,OPTION\/\fR]... \fI\,FILE1 FILE2\/\fR
|
|
.SH DESCRIPTION
|
|
.\" Add any additional description here
|
|
.PP
|
|
Compare sorted files FILE1 and FILE2 line by line.
|
|
.PP
|
|
When FILE1 or FILE2 (not both) is \-, read standard input.
|
|
.PP
|
|
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.
|
|
.TP
|
|
\fB\-1\fR
|
|
suppress column 1 (lines unique to FILE1)
|
|
.TP
|
|
\fB\-2\fR
|
|
suppress column 2 (lines unique to FILE2)
|
|
.TP
|
|
\fB\-3\fR
|
|
suppress column 3 (lines that appear in both files)
|
|
.TP
|
|
\fB\-\-check\-order\fR
|
|
check that the input is correctly sorted, even
|
|
if all input lines are pairable
|
|
.TP
|
|
\fB\-\-nocheck\-order\fR
|
|
do not check that the input is correctly sorted
|
|
.TP
|
|
\fB\-\-output\-delimiter\fR=\fI\,STR\/\fR
|
|
separate columns with STR
|
|
.TP
|
|
\fB\-\-total\fR
|
|
output a summary
|
|
.TP
|
|
\fB\-z\fR, \fB\-\-zero\-terminated\fR
|
|
line delimiter is NUL, not newline
|
|
.TP
|
|
\fB\-\-help\fR
|
|
display this help and exit
|
|
.TP
|
|
\fB\-\-version\fR
|
|
output version information and exit
|
|
.PP
|
|
Comparisons honor the rules specified by 'LC_COLLATE'.
|
|
.SH EXAMPLES
|
|
.TP
|
|
comm \-12 file1 file2
|
|
Print only lines present in both file1 and file2.
|
|
.TP
|
|
comm \-3 file1 file2
|
|
Print lines in file1 not in file2, and vice versa.
|
|
.SH AUTHOR
|
|
Written by Richard M. Stallman and David MacKenzie.
|
|
.SH "REPORTING BUGS"
|
|
GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
|
|
.br
|
|
Report any translation bugs to <https://translationproject.org/team/>
|
|
.SH COPYRIGHT
|
|
Copyright \(co 2025 Free Software Foundation, Inc.
|
|
License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
|
|
.br
|
|
This is free software: you are free to change and redistribute it.
|
|
There is NO WARRANTY, to the extent permitted by law.
|
|
.SH "SEE ALSO"
|
|
\fBjoin\fP(1), \fBuniq\fP(1)
|
|
.PP
|
|
.br
|
|
Full documentation <https://www.gnu.org/software/coreutils/comm>
|
|
.br
|
|
or available locally via: info \(aq(coreutils) comm invocation\(aq
|