77 lines
1.7 KiB
Groff
77 lines
1.7 KiB
Groff
.\" Copyright (c) 2024 DTB <trinity@trinity.moe>
|
|
.\"
|
|
.\" This work is licensed under CC BY-SA 4.0. To see a copy of this license,
|
|
.\" visit <http://creativecommons.org/licenses/by-sa/4.0/>.
|
|
|
|
.TH mm 1
|
|
|
|
.SH NAME
|
|
|
|
mm \(en middleman
|
|
|
|
.SH SYNOPSIS
|
|
|
|
mm
|
|
.RB ( -aenu )
|
|
.RB ( -i
|
|
.RB [ input ])
|
|
.RB ( -o
|
|
.RB [ output ])
|
|
|
|
.SH DESCRIPTION
|
|
|
|
Mm catenates input files and writes them to the start of each output file.
|
|
|
|
.SH OPTIONS
|
|
|
|
Mm, upon receiving the
|
|
.B -a
|
|
option, will open subsequent outputs for appending rather than updating.
|
|
.PP
|
|
The
|
|
.B -i
|
|
option opens a path as an input. Without any inputs specified mm will use
|
|
standard input. Standard input itself can be specified by giving the path '-'.
|
|
.PP
|
|
The
|
|
.B -o
|
|
option opens a path as an output. Without any outputs specified mm will use
|
|
standard output. Standard output itself can be specified by giving the
|
|
path '-'. Standard error itself can be specified with the
|
|
.B -e
|
|
option.
|
|
.PP
|
|
The
|
|
.B -u
|
|
option ensures neither input or output will be buffered.
|
|
.PP
|
|
The
|
|
.B -n
|
|
option tells mm to ignore SIGINT signals.
|
|
|
|
.SH DIAGNOSTICS
|
|
|
|
If an output can no longer be written mm prints a diagnostic message, ceases
|
|
writing to that particular output, and if there are more outputs specified,
|
|
continues, eventually exiting unsuccessfully.
|
|
.PP
|
|
On error mm prints a diagnostic message and exits with the appropriate
|
|
sysexits.h(3) status.
|
|
|
|
.SH BUGS
|
|
|
|
Mm does not truncate existing files, which may lead to unexpected results.
|
|
|
|
.SH RATIONALE
|
|
|
|
Mm was modeled after the cat and tee utilities specified in POSIX.
|
|
|
|
.SH COPYRIGHT
|
|
|
|
Copyright (c) 2024 DTB. License AGPLv3+: GNU AGPL version 3 or later
|
|
<https://gnu.org/licenses/agpl.html>.
|
|
|
|
.SH SEE ALSO
|
|
|
|
cat(1p), dd(1), dj(1), tee(1p)
|