freebsd-dev/contrib/unvis/unvis.1
Brooks Davis f1f8908049 Replace our (un)vis(1) commands with implementations from NetBSD to
match our import of the (un)vis(3) APIs.

This adds support for multibyte encoding and the -h and -m flags which
support HTTP and MIME encoding respectively.

PR:		bin/175418
Obtained from:	NetBSD
2013-03-15 00:05:50 +00:00

81 lines
2.5 KiB
Groff

.\" $NetBSD: unvis.1,v 1.10 2012/12/15 02:08:13 uwe Exp $
.\"
.\" Copyright (c) 1989, 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.
.\" 3. 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.
.\"
.\" @(#)unvis.1 8.1 (Berkeley) 6/6/93
.\"
.Dd November 27, 2010
.Dt UNVIS 1
.Os
.Sh NAME
.Nm unvis
.Nd "revert a visual representation of data back to original form"
.Sh SYNOPSIS
.Nm
.Op Fl e
.Op Fl Hh | Fl m
.Op Ar file ...
.Sh DESCRIPTION
.Nm
is the inverse function of
.Xr vis 1 .
It reverts
a visual representation of data back to its original form on standard output.
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl e
Don't decode \e escaped sequences.
.It Fl H
Decode entity references and numeric character references from RFC 1866.
.Pq Dv VIS_HTTP1866
.It Fl h
Decode using the URI encoding from RFC 1808.
.Pq Dv VIS_HTTP1808
.It Fl m
Decode using mime style.
.Pq Dv VIS_MIMESTYLE
.El
.Pp
Mixing
.Fl h
or
.Fl H
with
.Fl m
is not supported.
.Sh SEE ALSO
.Xr vis 1 ,
.Xr unvis 3 ,
.Xr vis 3
.Sh HISTORY
The
.Nm
command appears in
.Bx 4.4 .