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.\" $OpenBSD: tput.1,v 1.15 2007/05/31 17:59:40 jmc Exp $
.\" $NetBSD: tput.1,v 1.4 1994/12/07 08:49:10 jtc 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.
.\"
.\" @(#)tput.1 8.2 (Berkeley) 3/19/94
.\"
.Dd June 29, 1999
.Dt TPUT 1
.Os
.Sh NAME
.Nm tput
.Nd terminal capability interface
.Sh SYNOPSIS
.Nm tput
.Op Fl T Ar term
.Ar attribute
.Op Ar attribute-args
.Ar ...
.Nm tput
.Op Fl T Ar term
.Fl S
.Sh DESCRIPTION
The
.Nm
utility makes terminal-dependent information available to users or shell
applications.
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl S
The attributes are read from stdin instead of the command line.
.It Fl T
The terminal name as found in the
.Xr terminfo
database; for example,
.Dq vt100
or
.Dq xterm .
If not specified,
.Nm
retrieves the
.Ev TERM
variable from the environment.
.El
.Pp
.Nm
outputs a string if the
.Ar attribute
is of type string or a number if it is of type integer.
If the
.Ar attribute
is of type boolean,
.Nm
exits 0 if the terminal has the capability or 1 if it
does not.
Each
.Ar attribute
should be a string defined in either
.Xr terminfo 5
or
.Xr termcap 5 .
.Pp
If the
.Ar attribute
is of type string and takes arguments (e.g., cursor movement,
the
.Xr terminfo
.Dq cup
sequence) the arguments are taken from the command line immediately
following the attribute.
.Pp
The following special attributes are available:
.Bl -tag -width Ar
.It clear
Clear the screen (the
.Xr terminfo
.Dq clear
sequence).
.It init
Print the
.Xr terminfo
initialization strings for the specified terminal.
.It longname
Print the descriptive name of the user's terminal type.
.It reset
Reset the terminal (using the
.Xr terminfo
reset sequences).
.El
.Sh EXAMPLES
.Bl -tag -width "tput cup 6 11 dch 6" -compact
.It Li "tput clear cup 5 10"
clear the screen and goto line 5 column 10
.Pp
.It Li "tput cup 6 11 dch 6"
goto line 6 column 11 and delete 6 characters
.El
.Sh DIAGNOSTICS
The exit value of
.Nm
is based on the last attribute specified.
If the attribute is of type string or of type integer the exit
value is as follows:
.Pp
.Bl -tag -offset indent -width Ds -compact
.It 0
The requested string was written successfully.
.It 2
Usage error.
.It 3
Unknown terminal type.
.It 4
Unknown attribute name.
.It >4
An error occurred.
.El
.Pp
If the attribute is of type boolean,
.Nm
exits with a value of 0 if the terminal has this attribute or
1 if it does not.
.Sh SEE ALSO
.Xr terminfo 3 ,
.Xr terminfo 5
.Sh STANDARDS
The
.Nm
utility is compliant with the
.St -p1003.1-2004
specification,
but its presence is optional.
.Pp
The flag
.Op Fl S
is an extension to that specification.
.Sh HISTORY
The
.Nm
utility appeared in
.Bx 4.4 .
.Sh BUGS
.Nm
can't really distinguish between different types of attributes.
|
