Annotation of src/usr.bin/hexdump/od.1, Revision 1.11
1.11 ! deraadt 1: .\" $OpenBSD: od.1,v 1.10 2003/01/06 08:47:58 deraadt Exp $
1.9 pvalchev 2: .\" $NetBSD: od.1,v 1.16 2001/12/07 01:23:42 bjh21 Exp $
1.8 aaron 3: .\"
1.9 pvalchev 4: .\" Copyright (c) 2001 The NetBSD Foundation, Inc.
1.1 deraadt 5: .\" All rights reserved.
6: .\"
1.9 pvalchev 7: .\" This code is derived from software contributed to The NetBSD Foundation
8: .\" by Andrew Brown.
9: .\"
1.1 deraadt 10: .\" Redistribution and use in source and binary forms, with or without
11: .\" modification, are permitted provided that the following conditions
12: .\" are met:
13: .\" 1. Redistributions of source code must retain the above copyright
14: .\" notice, this list of conditions and the following disclaimer.
15: .\" 2. Redistributions in binary form must reproduce the above copyright
16: .\" notice, this list of conditions and the following disclaimer in the
17: .\" documentation and/or other materials provided with the distribution.
18: .\" 3. All advertising materials mentioning features or use of this software
19: .\" must display the following acknowledgement:
1.9 pvalchev 20: .\" This product includes software developed by the NetBSD
21: .\" Foundation, Inc. and its contributors.
22: .\" 4. Neither the name of The NetBSD Foundation nor the names of its
23: .\" contributors may be used to endorse or promote products derived
24: .\" from this software without specific prior written permission.
1.1 deraadt 25: .\"
1.9 pvalchev 26: .\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27: .\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28: .\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29: .\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30: .\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31: .\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32: .\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33: .\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34: .\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35: .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36: .\" POSSIBILITY OF SUCH DAMAGE.
37: .\"/
38: .Dd February 9, 2001
1.6 aaron 39: .Dt OD 1
1.1 deraadt 40: .Os
41: .Sh NAME
42: .Nm od
43: .Nd octal, decimal, hex, ascii dump
44: .Sh SYNOPSIS
45: .Nm od
46: .Op Fl aBbcDdeFfHhIiLlOovXx
1.9 pvalchev 47: .Bk -words
48: .Op Fl j Ar skip
49: .Ek
50: .Bk -words
51: .Op Fl N Ar length
52: .Ek
53: .Bk -words
54: .Op Fl t Ar type_string
55: .Ek
1.1 deraadt 56: .Sm off
57: .Oo
58: .Op Cm \&+
59: .Li offset
60: .Op Cm \&.
61: .Op Cm Bb
1.9 pvalchev 62: .Sm on
1.1 deraadt 63: .Oc
1.9 pvalchev 64: .Ar file ...
1.1 deraadt 65: .Sh DESCRIPTION
1.5 aaron 66: .Nm
1.1 deraadt 67: has been deprecated in favor of
68: .Xr hexdump 1 .
69: .Pp
1.9 pvalchev 70: .Xr hexdump 1 ,
1.1 deraadt 71: if called as
72: .Nm od ,
1.9 pvalchev 73: provides compatibility for the options described below.
1.1 deraadt 74: It does not provide compatibility for the
75: .Fl s
76: option (see
77: .Xr strings 1 )
78: or the
79: .Fl P ,
80: .Fl p ,
81: or
82: .Fl w
1.9 pvalchev 83: options, nor is compatibility provided for the ``label'' component
84: of the offset syntax.
85: .Pp
86: The options are as follows:
87: .Bl -tag -width Fl
88: .It Fl a
89: .Em One-byte character display .
90: Display the input offset in octal, followed by sixteen
91: space-separated, three column, space-filled, characters of input data
92: per line. Control characters are printed as their names instead of as
1.11 ! deraadt 93: C-style escapes.
1.9 pvalchev 94: .It Fl B
95: Same as
96: .Fl o .
97: .It Fl b
98: .Em One-byte octal display .
99: Display the input offset in octal, followed by sixteen
100: space-separated, three column, zero-filled, bytes of input data, in
101: octal, per line. This is the default output style if no other is
102: selected.
103: .It Fl c
104: .Em One-byte character display .
105: Display the input offset in octal, followed by sixteen
106: space-separated, three column, space-filled, characters of input data
1.10 deraadt 107: per line. Control characters are printed as c style escapes, or as
1.9 pvalchev 108: three octal digits, if no c escape exists for the character.
109: .It Fl d
110: .Em Two-byte decimal display .
111: Display the input offset in octal, followed by eight
112: space-separated, five column, zero-filled, two-byte units
113: of input data, in unsigned decimal, per line.
114: .It Fl e
115: .Em Eight-byte floating point display .
116: Display the input offset in octal, followed by two space-separated,
117: twenty-one column, space filled, eight byte units of input data, in
118: floating point, per line.
119: .It Fl F
120: Same as
121: .Fl e .
122: .It Fl f
123: .Em Four-byte floating point display .
124: Display the input offset in octal, followed by four space-separated,
125: 14 column, space filled, four byte units of input data, in floating
126: point, per line.
127: .It Fl H
128: .Em Four-byte hex display .
129: Display the input offset in octal, followed by four space-separated,
130: eight column, zero filled, four byte units of input data, in hex,
131: per line.
132: .It Fl h
133: .Em Two-byte hex display .
134: Display the input offset in octal, followed by eight space-separated,
135: four column, zero filled, two byte units of input data, in hex,
136: per line.
137: .It Fl I
138: .Em Four-byte decimal display .
139: Display the input offset in octal, followed by four space-separated,
140: eleven column, space filled, four byte units of input data, in
141: decimal, per line.
142: .It Fl i
143: .Em Two-byte decimal display .
144: Display the input offset in octal, followed by eight space-separated,
145: six column, space filled, two-byte units of input data, in decimal,
146: per line.
147: .It Fl j Ar offset
148: Skip
149: .Ar offset
150: bytes from the beginning of the input.
151: By default,
152: .Ar offset
153: is interpreted as a decimal number.
154: With a leading
155: .Cm 0x
156: or
157: .Cm 0X ,
158: .Ar offset
159: is interpreted as a hexadecimal number,
160: otherwise, with a leading
161: .Cm 0 ,
162: .Ar offset
163: is interpreted as an octal number.
164: Appending the character
165: .Cm b ,
166: .Cm k ,
167: or
168: .Cm m
169: to
170: .Ar offset
171: causes it to be interpreted as a multiple of
172: .Li 512 ,
173: .Li 1024 ,
174: or
175: .Li 1048576 ,
176: respectively.
177: .It Fl L
178: Same as
179: .Fl I .
180: .It Fl l
181: Same as
182: .Fl I .
183: .It Fl N Ar length
184: Interpret only
185: .Ar length
186: bytes of input.
187: .It Fl O
188: .Em Four-byte octal display .
189: Display the input offset in octal, followed by four
190: space-separated, eleven column, zero-filled, four-byte units
191: of input data, in octal, per line.
192: .It Fl o
193: .Em Two-byte octal display .
194: Display the input offset in octal, followed by eight
195: space-separated, six column, zero-filled, two-byte units
196: of input data, in octal, per line.
197: .It Fl t Ar type_string
198: Specify one or more output types. The
199: .Em type_string
200: option-argument must be a string specifying the types to be used when
201: writing the input data. The string must consist of the type
202: specification characters:
203: .Pp
204: .Cm a
205: selects US-ASCII output, with control characters replaced with their
206: names instead of as c escape sequences. See also the
207: .Cm _u
208: conversion provided by hexdump(1).
209: .Pp
210: .Cm c
211: selects a standard character based conversion. See also the
212: .Cm _c
213: conversion provided by hexdump(1).
214: .Pp
215: .Cm f
216: selects the floating point output format. This type character can be
217: optionally followed by the characters
218: .Cm 4
219: or
220: .Cm F
221: to specify four byte floating point output, or
222: .Cm 8
223: or
224: .Cm L
225: to specify eight byte floating point output. The default output
226: format is eight byte floats. See also the
227: .Cm e
228: conversion provided by hexdump(1).
229: .Pp
230: .Cm d ,
231: .Cm o ,
232: .Cm u ,
233: or
234: .Cm x
235: select decimal, octal, unsigned decimal, or hex output respectively.
236: These types can optionally be followed by
237: .Cm C
238: to specify
239: .Em char Ns -sized
240: output,
241: .Cm S
242: to specify
243: .Em short Ns -sized
244: output,
245: .Cm I
246: to specify
247: .Em int Ns -sized
248: output,
249: .Cm L
250: to specify
251: .Em long Ns -sized
252: output,
253: .Cm 1
254: to specify one-byte output,
255: .Cm 2
256: to specify two-byte output,
257: .Cm 4
258: to specify four-byte output, or
259: .Cm 8
260: to specify eight-byte output. The default output format is in
261: four-byte quantities. See also the
262: .Cm d ,
263: .Cm o ,
264: .Cm u ,
265: and
266: .Cm x
267: conversions provided by hexdump(1).
268: .\"(a|c|f[FLD]?|[doux][C1S2I4L8]?)*
269: .It Fl v
270: The
271: .Fl v
272: option causes
273: .Nm
274: to display all input data.
275: Without the
276: .Fl v
277: option, any number of groups of output lines, which would be
278: identical to the immediately preceding group of output lines (except
279: for the input offsets), are replaced with a line comprised of a
280: single asterisk.
281: .It Fl X
282: Same as
283: .Fl H .
284: .It Fl x
285: Same as
286: .Fl h .
287: .El
288: .Pp
289: For each input file,
290: .Nm
291: sequentially copies the input to standard output, transforming the
292: data according to the options given. If no options are specified, the
293: default display is equivalent to specifying the
294: .Fl o
295: option.
296: .Pp
297: .Nm
298: exits 0 on success and >0 if an error occurred.
1.1 deraadt 299: .Sh SEE ALSO
300: .Xr hexdump 1 ,
301: .Xr strings 1
1.9 pvalchev 302: .Sh HISTORY
303: A
304: .Nm
305: command appears in
306: .At v1 .
307: .Pp
308: This man page was written in February 2001 by Andrew Brown, shortly
309: after he augmented the deprecated od syntax to include things he felt
310: had been missing for a long time.
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