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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:
fernape 2020-06-23 07:48:48 +00:00
parent ecd1738fec
commit a801bf2de6
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 .Bl -tag -width indent
.It Cm a .It Cm a
Named characters Named characters
.Pq Tn ASCII . .Pq ASCII .
Control characters are displayed using the following names: Control characters are displayed using the following names:
.Bl -column "000 NUL" "001 SOH" "002 STX" "003 ETX" "004 EOT" "005 ENQ" .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 "000 NUL 001 SOH 002 STX 003 ETX 004 EOT 005 ENQ"
@ -243,6 +243,24 @@ as described in
.Xr environ 7 . .Xr environ 7 .
.Sh EXIT STATUS .Sh EXIT STATUS
.Ex -std .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 .Sh COMPATIBILITY
The traditional The traditional
.Fl s .Fl s