82 lines
1.5 KiB
Groff
82 lines
1.5 KiB
Groff
.\" Copyright (c) 2024 DTB <trinity@trinity.moe>
|
|
.\" Copyright (c) 2024 Emma Tebibyte <emma@tebibyte.media>
|
|
.\"
|
|
.\" 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 SWAB 1 2024-06-17 "Harakit X.X.X"
|
|
.SH NAME
|
|
swab \(en swap bytes
|
|
.\"
|
|
.SH SYNOPSIS
|
|
|
|
swab
|
|
.RB ( -f )
|
|
.RB ( -w
|
|
.R [
|
|
.B word size
|
|
.R ])
|
|
.\"
|
|
.SH DESCRIPTION
|
|
|
|
Swap the latter and former halves of a block of bytes.
|
|
.\"
|
|
.SH OPTIONS
|
|
|
|
.IP \fB-f\fP
|
|
Ignore SIGINT signal.
|
|
.IP \fB-w\fP
|
|
Configures the word size; that is, the size in bytes of the block size
|
|
on which to operate. The default word size is 2. The word size must be
|
|
cleanly divisible by 2, otherwise the block of bytes being processed can\(cqt be
|
|
halved.
|
|
.\"
|
|
.SH EXAMPLES
|
|
|
|
The following
|
|
.BR sh (1p)
|
|
line:
|
|
|
|
.RS
|
|
printf 'hello world!\(rsn' | swab
|
|
.RE
|
|
|
|
Produces the following output:
|
|
|
|
.RS
|
|
ehll oowlr!d
|
|
.RE
|
|
.\"
|
|
.SH DIAGNOSTICS
|
|
|
|
In the event of an error, a debug message will be printed and the program will
|
|
exit with the appropriate
|
|
.BR sysexits.h (3)
|
|
error code.
|
|
.\"
|
|
.SH RATIONALE
|
|
|
|
This program was modeled and named after the
|
|
.B conv=swab
|
|
functionality specified
|
|
in the
|
|
.BR dd (1p)
|
|
utility. It additionally allows the word size to be configured.
|
|
|
|
This functionality is useful for fixing the endianness of binary files produced
|
|
on other machines.
|
|
.\"
|
|
.SH AUTHOR
|
|
|
|
Written by DTB
|
|
.MT trinity@trinity.moe
|
|
.ME .
|
|
.\"
|
|
.SH COPYRIGHT
|
|
|
|
Copyright \(co 2024 DTB. License AGPLv3+: GNU AGPL version 3 or later
|
|
<https://gnu.org/licenses/agpl.html>.
|
|
.\"
|
|
.SH SEE ALSO
|
|
.BR dd (1p)
|