2011-03-30 13:49:47 +00:00
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.TH XD 1
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.SH NAME
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xd \- hex, octal, decimal, or ASCII dump
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.SH SYNOPSIS
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.B xd
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[
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.I option ...
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]
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[
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.BI - "format ...
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] [
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.I file ...
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]
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.SH DESCRIPTION
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.I Xd
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concatenates and dumps the
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.I files
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(standard input by default)
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in one or more formats.
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Groups of 16 bytes are printed in each of the named formats, one
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format per line.
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Each line of output is prefixed by its address (byte offset)
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in the input file.
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The first line of output for each group is zero-padded; subsequent are blank-padded.
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.PP
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Formats other than
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.B -c
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are specified by pairs of characters telling size and style,
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.L 4x
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by default.
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The sizes are
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.TP \w'2\ or\ w\ \ \ 'u
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.BR 1 " or " b
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1-byte units.
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.PD0
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.TP
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.BR 2 " or " w
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2-byte big-endian units.
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.TP
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.BR 4 " or " l
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4-byte big-endian units.
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.TP
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.BR 8 " or " v
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8-byte big-endian units.
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.PD
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.PP
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The styles are
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.TP 0
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.B o
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Octal.
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.PD0
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.TP
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.B x
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Hexadecimal.
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.TP
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.B d
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Decimal.
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.PD
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.PP
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Other options are
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.TP \w'\fL-a\fIstyle\fLXX'u
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.B -c
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Format as
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.B 1x
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but print
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.SM ASCII
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representations or C escape sequences where possible.
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.TP
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.BI -a style
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Print file addresses in the given style (and size 4).
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.TP
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.B -u
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(Unbuffered) Flush the output buffer after each 16-byte sequence.
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.TP
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.B -s
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2014-02-16 20:32:14 +00:00
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Switch to little-endian units.
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2011-03-30 13:49:47 +00:00
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.TP
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.B -r
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Print repeating groups of identical 16-byte sequences as the first group
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followed by an asterisk.
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.SH SOURCE
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.B /sys/src/cmd/xd.c
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.SH "SEE ALSO"
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.IR db (1)
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.SH BUGS
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The various output formats don't line up properly in the output of
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.IR xd .
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