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.\" Copyright (c) 2024 DTB <trinity@trinity.moe>
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.\" Copyright (c) 2024 Emma Tebibyte <emma@tebibyte.media>
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.\"
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.\" This work is licensed under CC BY-SA 4.0. To see a copy of this license,
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.\" visit <http://creativecommons.org/licenses/by-sa/4.0/>.
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2024-06-03 00:47:14 +00:00
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.\"
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2024-06-24 05:47:29 +00:00
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.TH SWAB 1 2024-06-17 "Harakit X.X.X"
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.SH NAME
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swab \(en swap bytes
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.\"
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.SH SYNOPSIS
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swab
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.RB [ -f ]
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.RB [ -w\ word_size ]
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.\"
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.SH DESCRIPTION
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Swap the latter and former halves of a block of bytes.
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.\"
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.SH OPTIONS
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.IP \fB-f\fP
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Ignore SIGINT signal.
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.IP \fB-w\fP\ \fIword_size\fP
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Configures the word size; that is, the size in bytes of the block size on which
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to operate. The default word size is 2. The word size must be cleanly divisible
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by 2, otherwise the block of bytes being processed can\(cqt be halved.
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.\"
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.SH EXAMPLES
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The following
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.BR sh (1p)
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line:
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.RS
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printf 'hello world!\(rsn' | swab
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.RE
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Produces the following output:
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.RS
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ehll oowlr!d
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.RE
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.\"
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.SH DIAGNOSTICS
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In the event of an error, a debug message will be printed and the program will
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exit with the appropriate
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.BR sysexits.h (3)
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error code.
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.\"
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.SH RATIONALE
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This program was modeled and named after the
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.B conv=swab
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functionality specified
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in the
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.BR dd (1p)
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utility. It additionally allows the word size to be configured.
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This functionality is useful for fixing the endianness of binary files produced
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on other machines.
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.\"
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.SH AUTHOR
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Written by DTB
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.MT trinity@trinity.moe
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.ME .
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.\"
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.SH COPYRIGHT
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Copyright \(co 2024 DTB. License AGPLv3+: GNU AGPL version 3 or later
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<https://gnu.org/licenses/agpl.html>.
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.\"
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.SH SEE ALSO
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.BR dd (1p)
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