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od(1): Add EXAMPLES section

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* Add two small examples showing the use of -a, -c, -j and -N
 * While here, remove obsolete .Tn reported by mandoc(1)

Approved by:	0mp@
Differential Revision:	https://reviews.freebsd.org/D25372
This commit is contained in:
Fernando Apesteguía 2020-06-23 07:48:48 +00:00
parent 0cadedfc46
commit 63280725b2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=362533
1 changed files with 19 additions and 1 deletions
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usr.bin/hexdump/od.1
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@ -143,7 +143,7 @@ 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 .
.Pq 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"
@ -243,6 +243,24 @@ as described in
.Xr environ 7 .
.Sh EXIT STATUS
.Ex -std
.Sh EXAMPLES
Dump stdin and show the output using named characters and C-style escaped
characters:
.Bd -literal -offset indent
$ echo "FreeBSD: The power to serve" | od -a -c
0000000 F r e e B S D : sp T h e sp p o w
F r e e B S D : T h e p o w
0000020 e r sp t o sp s e r v e nl
e r t o s e r v e \en
0000034
.Ed
.Pp
Dump stdin skipping the first 13 bytes using named characters and dumping no
more than 5 bytes:
.Bd -literal -offset indent
$ echo "FreeBSD: The power to serve" | od -An -a -j 13 -N 5
p o w e r
.Ed
.Sh COMPATIBILITY
The traditional
.Fl s