0ef023ae5b
quotation. Also make sure we have the same amount of columns in each row as the number of columns we specify in the head arguments. Reviewed by: brueffer
265 lines
5.9 KiB
Groff
265 lines
5.9 KiB
Groff
.\" Copyright (c) 1990, 1993
|
|
.\" The Regents of the University of California. All rights reserved.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 4. Neither the name of the University nor the names of its contributors
|
|
.\" may be used to endorse or promote products derived from this software
|
|
.\" without specific prior written permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.\" @(#)od.1 8.1 (Berkeley) 6/6/93
|
|
.\" $FreeBSD$
|
|
.\"
|
|
.Dd December 22, 2011
|
|
.Dt OD 1
|
|
.Os
|
|
.Sh NAME
|
|
.Nm od
|
|
.Nd octal, decimal, hex, ASCII dump
|
|
.Sh SYNOPSIS
|
|
.Nm
|
|
.Op Fl aBbcDdeFfHhIiLlOosvXx
|
|
.Op Fl A Ar base
|
|
.Op Fl j Ar skip
|
|
.Op Fl N Ar length
|
|
.Op Fl t Ar type
|
|
.Op Oo Cm + Oc Ns Ar offset Ns Oo Cm \&. Oc Ns Op Cm Bb
|
|
.Op Ar
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Nm
|
|
utility is a filter which displays the specified files, or standard
|
|
input if no files are specified, in a user specified format.
|
|
.Pp
|
|
The options are as follows:
|
|
.Bl -tag -width ".Fl I , L , l"
|
|
.It Fl A Ar base
|
|
Specify the input address base.
|
|
The argument
|
|
.Ar base
|
|
may be one of
|
|
.Cm d ,
|
|
.Cm o ,
|
|
.Cm x
|
|
or
|
|
.Cm n ,
|
|
which specify decimal, octal, hexadecimal
|
|
addresses or no address, respectively.
|
|
.It Fl a
|
|
Output named characters.
|
|
Equivalent to
|
|
.Fl t Cm a .
|
|
.It Fl B , o
|
|
Output octal shorts.
|
|
Equivalent to
|
|
.Fl t Cm o2 .
|
|
.It Fl b
|
|
Output octal bytes.
|
|
Equivalent to
|
|
.Fl t Cm o1 .
|
|
.It Fl c
|
|
Output C-style escaped characters.
|
|
Equivalent to
|
|
.Fl t Cm c .
|
|
.It Fl D
|
|
Output unsigned decimal ints.
|
|
Equivalent to
|
|
.Fl t Cm u4 .
|
|
.It Fl d
|
|
Output unsigned decimal shorts.
|
|
Equivalent to
|
|
.Fl t Cm u2 .
|
|
.It Fl e , F
|
|
Output double-precision floating point numbers.
|
|
Equivalent to
|
|
.Fl t Cm fD .
|
|
.It Fl f
|
|
Output single-precision floating point numbers.
|
|
Equivalent to
|
|
.Fl t Cm fF .
|
|
.It Fl H , X
|
|
Output hexadecimal ints.
|
|
Equivalent to
|
|
.Fl t Cm x4 .
|
|
.It Fl h , x
|
|
Output hexadecimal shorts.
|
|
Equivalent to
|
|
.Fl t Cm x2 .
|
|
.It Fl I , L , l
|
|
Output signed decimal longs.
|
|
Equivalent to
|
|
.Fl t Cm dL .
|
|
.It Fl i
|
|
Output signed decimal ints.
|
|
Equivalent to
|
|
.Fl t Cm dI .
|
|
.It Fl j Ar skip
|
|
Skip
|
|
.Ar skip
|
|
bytes of the combined input before dumping.
|
|
The number may be followed by one
|
|
of
|
|
.Cm b , k
|
|
or
|
|
.Cm m
|
|
which specify the units of the number as blocks (512 bytes), kilobytes and
|
|
megabytes, respectively.
|
|
.It Fl N Ar length
|
|
Dump at most
|
|
.Ar length
|
|
bytes of input.
|
|
.It Fl O
|
|
Output octal ints.
|
|
Equivalent to
|
|
.Fl t Cm o4 .
|
|
.It Fl s
|
|
Output signed decimal shorts.
|
|
Equivalent to
|
|
.Fl t Cm d2 .
|
|
.It Fl t Ar type
|
|
Specify the output format.
|
|
The
|
|
.Ar type
|
|
argument
|
|
is a string containing one or more of the following kinds of type specifiers:
|
|
.Bl -tag -width indent
|
|
.It Cm a
|
|
Named characters
|
|
.Pq Tn ASCII .
|
|
Control characters are displayed using the following names:
|
|
.Bl -column "000 NUL" "001 SOH" "002 STX" "003 ETX" "004 EOT" "005 ENQ"
|
|
.It "000 NUL 001 SOH 002 STX 003 ETX 004 EOT 005 ENQ"
|
|
.It "006 ACK 007 BEL 008 BS 009 HT 00A NL 00B VT"
|
|
.It "00C FF 00D CR 00E SO 00F SI 010 DLE 011 DC1"
|
|
.It "012 DC2 013 DC3 014 DC4 015 NAK 016 SYN 017 ETB"
|
|
.It "018 CAN 019 EM 01A SUB 01B ESC 01C FS 01D GS"
|
|
.It "01E RS 01F US 020 SP 07F DEL \& \&"
|
|
.El
|
|
.It Cm c
|
|
Characters in the default character set.
|
|
Non-printing characters are
|
|
represented as 3-digit octal character codes, except the following
|
|
characters, which are represented as C escapes:
|
|
.Pp
|
|
.Bl -tag -width carriage-return -compact
|
|
.It NUL
|
|
\e0
|
|
.It alert
|
|
\ea
|
|
.It backspace
|
|
\eb
|
|
.It newline
|
|
\en
|
|
.It carriage-return
|
|
\er
|
|
.It tab
|
|
\et
|
|
.It vertical tab
|
|
\ev
|
|
.El
|
|
.Pp
|
|
Multi-byte characters are displayed in the area corresponding to the first
|
|
byte of the character.
|
|
The remaining bytes are shown as
|
|
.Ql ** .
|
|
.It Xo
|
|
.Sm off
|
|
.Op Cm d | o | u | x
|
|
.Op Cm C | S | I | L | Ar n
|
|
.Sm on
|
|
.Xc
|
|
Signed decimal
|
|
.Pq Cm d ,
|
|
octal
|
|
.Pq Cm o ,
|
|
unsigned decimal
|
|
.Pq Cm u
|
|
or
|
|
hexadecimal
|
|
.Pq Cm x .
|
|
Followed by an optional size specifier, which may be either
|
|
.Cm C
|
|
.Pq Vt char ,
|
|
.Cm S
|
|
.Pq Vt short ,
|
|
.Cm I
|
|
.Pq Vt int ,
|
|
.Cm L
|
|
.Pq Vt long ,
|
|
or a byte count as a decimal integer.
|
|
.It Xo
|
|
.Sm off
|
|
.Cm f
|
|
.Op Cm F | D | L | Ar n
|
|
.Sm on
|
|
.Xc
|
|
Floating-point number.
|
|
Followed by an optional size specifier, which may be either
|
|
.Cm F
|
|
.Pq Vt float ,
|
|
.Cm D
|
|
.Pq Vt double
|
|
or
|
|
.Cm L
|
|
.Pq Vt "long double" .
|
|
.El
|
|
.It Fl v
|
|
Write all input data, instead of replacing lines of duplicate values with a
|
|
.Ql * .
|
|
.El
|
|
.Pp
|
|
Multiple options that specify output format may be used; the output will
|
|
contain one line for each format.
|
|
.Pp
|
|
If no output format is specified,
|
|
.Fl t Cm oS
|
|
is assumed.
|
|
.Sh ENVIRONMENT
|
|
The
|
|
.Ev LANG , LC_ALL
|
|
and
|
|
.Ev LC_CTYPE
|
|
environment variables affect the execution of
|
|
.Nm
|
|
as described in
|
|
.Xr environ 7 .
|
|
.Sh EXIT STATUS
|
|
.Ex -std
|
|
.Sh COMPATIBILITY
|
|
The traditional
|
|
.Fl s
|
|
option to extract string constants is not supported; consider using
|
|
.Xr strings 1
|
|
instead.
|
|
.Sh SEE ALSO
|
|
.Xr hexdump 1 ,
|
|
.Xr strings 1
|
|
.Sh STANDARDS
|
|
The
|
|
.Nm
|
|
utility conforms to
|
|
.St -p1003.1-2001 .
|
|
.Sh HISTORY
|
|
An
|
|
.Nm
|
|
command appeared in
|
|
.At v1 .
|