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.\" from: @(#)hexdump.1 8.2 (Berkeley) 4/18/94
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.Dt HEXDUMP(1) "" "User Commands"
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.Nd ascii, decimal, hexadecimal, octal dump
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.Nd display file contents in ascii, decimal, hexadecimal, or octal
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The hexdump utility is a filter which displays the specified files, or
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the standard input, if no files are specified, in a user specified
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utility is a filter which displays the specified files, or
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standard input if no files are specified, in a user-specified
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The options are as follows:
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.Em One-byte octal display .
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Display the input offset in hexadecimal, followed by sixteen
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space-separated, three column, zero-filled, bytes of input data,
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space-separated, three-column, zero-filled bytes of input data,
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in octal, per line.
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.Em One-byte character display .
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Display the input offset in hexadecimal, followed by sixteen
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space-separated, three column, space-filled, characters of input
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space-separated, three-column, space-filled characters of input
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.Em Canonical hex+ASCII display .
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Display the input offset in hexadecimal, followed by sixteen
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space-separated, two column, hexadecimal bytes, followed by the
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space-separated, two-column, hexadecimal bytes, followed by the
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same sixteen bytes in %_p format enclosed in ``|'' characters.
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.Em Two-byte decimal display .
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Display the input offset in hexadecimal, followed by eight
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space-separated, five column, zero-filled, two-byte units
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space-separated, five-column, zero-filled, two-byte units
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of input data, in unsigned decimal, per line.
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.It Fl e Ar format_string
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Specify a format string to be used for displaying data.
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.Em Two-byte octal display .
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Display the input offset in hexadecimal, followed by eight
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space-separated, six column, zero-filled, two byte quantities of
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space-separated, six-column, zero-filled, two-byte quantities of
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input data, in octal, per line.
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.It Fl s Ar offset
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option causes hexdump to display all input data.
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to display all input data.
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option, any number of groups of output lines, which would be
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option, any number of groups of output lines which would be
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identical to the immediately preceding group of output lines (except
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for the input offsets), are replaced with a line comprised of a
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.Em Two-byte hexadecimal display .
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Display the input offset in hexadecimal, followed by eight, space
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separated, four column, zero-filled, two-byte quantities of input
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data, in hexadecimal, per line.
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Display the input offset in hexadecimal, followed by eight
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space-separated, four-column, zero-filled, two-byte quantities of
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input data, in hexadecimal, per line.
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For each input file,
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once, when all of the input data has been processed.
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Output characters in the default character set.
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Nonprinting characters are displayed in three character, zero-padded
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Nonprinting characters are displayed in three-character, zero-padded
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octal, except for those representable by standard escape notation
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which are displayed as two character strings.
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which are displayed as two-character strings.
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Output characters in the default character set.
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Nonprinting characters are displayed as a single
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incremented until the entire input block has been processed or there
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is not enough data remaining in the block to satisfy the format string.
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If, either as a result of user specification or hexdump modifying
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the iteration count as described above, an iteration count is
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If, either as a result of user specification or
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modifying the iteration count as described above, an iteration count is
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greater than one, no trailing whitespace characters are output
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during the last iteration.
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text-utils/hexdump.1
