326 lines
6.9 KiB
Plaintext
326 lines
6.9 KiB
Plaintext
.\" $NetBSD: editrc.5,v 1.33 2017/06/27 01:22:58 kre Exp $
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.\"
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.\" Copyright (c) 1997-2000 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This file was contributed to The NetBSD Foundation by Luke Mewburn.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd May 22, 2016
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.Dt EDITRC 5
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.Os
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.Sh NAME
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.Nm editrc
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.Nd configuration file for editline library
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.Sh SYNOPSIS
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.Nm
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.Sh DESCRIPTION
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The
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.Nm
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file defines various settings to be used by the
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.Xr editline 3
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library.
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.Pp
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The format of each line is:
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.Pp
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.Dl [prog:]command [arg ...]
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.Pp
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.Ar command
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is one of the
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.Xr editline 3
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builtin commands.
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Refer to
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.Sx BUILTIN COMMANDS
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for more information.
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.Pp
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.Ar prog
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is the program name string that a program defines when it calls
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.Xr el_init 3
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to set up
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.Xr editline 3 ,
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which is usually
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.Va argv[0] .
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.Ar command
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will be executed for any program which matches
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.Ar prog .
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.Pp
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.Ar prog
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may also be a
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.Xr regex 3
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style
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regular expression, in which case
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.Ar command
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will be executed for any program that matches the regular expression.
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.Pp
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If
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.Ar prog
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is absent,
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.Ar command
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is executed for all programs.
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.Sh BUILTIN COMMANDS
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The
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.Nm editline
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library has some builtin commands, which affect the way
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that the line editing and history functions operate.
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These are based on similar named builtins present in the
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.Xr tcsh 1
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shell.
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.Pp
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The following builtin commands are available:
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.Bl -tag -width 4n
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.It Ic bind Oo Fl aeklrsv Oc Op Ar key Op Ar command
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Without options and arguments, list all bound keys and macros, and
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the editor command or input string to which each one is bound.
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If only
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.Ar key
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is supplied, show the binding for that key or macro.
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If
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.Ar key command
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is supplied, bind the editor
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.Ar command
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to that key or macro.
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.Pp
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The options are as follows:
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.Bl -tag -width 4n
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.It Fl a
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List or change key bindings in the
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.Xr vi 1
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mode alternate (command mode) key map.
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.It Fl e
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Bind all keys to the standard GNU Emacs-like bindings.
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.It Fl k
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.Ar key
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is interpreted as a symbolic arrow key name, which may be one of
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.Sq up ,
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.Sq down ,
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.Sq left
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or
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.Sq right .
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.It Fl l
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List all editor commands and a short description of each.
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.It Fl r
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Remove the binding of the key or macro
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.Ar key .
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.It Fl s
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Define a keyboard macro rather than a key binding or command macro:
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.Ar command
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is taken as a literal string and appended to the input queue whenever
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.Ar key
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is typed.
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Bound keys and macros in
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.Ar command
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are themselves reinterpreted, and this continues for ten levels of
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interpretation.
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.It Fl v
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Bind all keys to the standard
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.Xr vi 1 Ns -like
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bindings.
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.El
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.Pp
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The
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.Xr editline 7
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manual documents all editor commands and contains more information
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about macros and the input queue.
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.Pp
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.Ar key
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and
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.Ar command
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can contain control characters of the form
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.Sm off
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.Sq No ^ Ar character
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.Sm on
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.Po
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e.g.\&
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.Sq ^A
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.Pc ,
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and the following backslashed escape sequences:
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.Pp
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.Bl -tag -compact -offset indent -width 4n
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.It Ic \ea
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Bell
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.It Ic \eb
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Backspace
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.It Ic \ee
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Escape
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.It Ic \ef
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Formfeed
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.It Ic \en
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Newline
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.It Ic \er
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Carriage return
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.It Ic \et
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Horizontal tab
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.It Ic \ev
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Vertical tab
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.Sm off
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.It Sy \e Ar nnn
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.Sm on
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The ASCII character corresponding to the octal number
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.Ar nnn .
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.El
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.Pp
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.Sq \e
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nullifies the special meaning of the following character,
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if it has any, notably
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.Sq \e
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and
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.Sq ^ .
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.It Ic echotc Oo Fl sv Oc Ar arg Ar ...
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Exercise terminal capabilities given in
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.Ar arg ... .
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If
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.Ar arg
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is
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.Sq baud ,
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.Sq cols ,
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.Sq lines ,
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.Sq rows ,
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.Sq meta ,
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or
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.Sq tabs ,
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the value of that capability is printed, with
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.Dq yes
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or
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.Dq no
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indicating that the terminal does or does not have that capability.
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.Pp
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.Fl s
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returns an empty string for non-existent capabilities, rather than
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causing an error.
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.Fl v
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causes messages to be verbose.
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.It Ic edit Op Li on | Li off
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Enable or disable the
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.Nm editline
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functionality in a program.
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.It Ic history Ar list | Ar size Dv n | Ar unique Dv n
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The
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.Ar list
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command lists all entries in the history.
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The
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.Ar size
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command sets the history size to
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.Dv n
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entries.
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The
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.Ar unique
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command controls if history should keep duplicate entries.
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If
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.Dv n
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is non zero, only keep unique history entries.
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If
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.Dv n
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is zero, then keep all entries (the default).
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.It Ic settc Ar cap Ar val
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Set the terminal capability
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.Ar cap
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to
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.Ar val ,
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as defined in
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.Xr termcap 5 .
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No sanity checking is done.
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.It Ic setty Oo Fl a Oc Oo Fl d Oc Oo Fl q Oc Oo Fl x Oc Oo Ar +mode Oc \
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Oo Ar -mode Oc Oo Ar mode Oc Oo Ar char=c Oc
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Control which tty modes that
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.Nm
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won't allow the user to change.
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.Fl d ,
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.Fl q
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or
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.Fl x
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tells
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.Ic setty
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to act on the
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.Sq edit ,
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.Sq quote
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or
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.Sq execute
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set of tty modes respectively; defaulting to
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.Fl x .
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.Pp
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Without other arguments,
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.Ic setty
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lists the modes in the chosen set which are fixed on
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.Po
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.Sq +mode
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.Pc
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or off
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.Po
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.Sq -mode
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.Pc .
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.Fl a
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lists all tty modes in the chosen set regardless of the setting.
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With
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.Ar +mode ,
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.Ar -mode
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or
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.Ar mode ,
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fixes
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.Ar mode
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on or off or removes control of
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.Ar mode
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in the chosen set.
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.Pp
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.Ic Setty
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can also be used to set tty characters to particular values using
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.Ar char=value .
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If
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.Ar value
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is empty
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then the character is set to
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.Dv _POSIX_VDISABLE .
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.It Ic telltc
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List the values of all the terminal capabilities (see
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.Xr termcap 5 ) .
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.El
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.Sh ENVIRONMENT
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.Bl -tag -width "~/.editrcXXX"
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.It Ev EDITRC
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Names the default configuration file for the
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.Xr editline 3
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library.
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.El
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.Sh FILES
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.Bl -tag -width "~/.editrcXXX"
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.It Pa ~/.editrc
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Last resort, if no other file is specified,
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user configuration file for the
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.Xr editline 3
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library.
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.El
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.Sh SEE ALSO
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.Xr editline 3 ,
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.Xr regex 3 ,
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.Xr termcap 5 ,
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.Xr editline 7
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm editline
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library was written by
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.An Christos Zoulas ,
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and this manual was written by
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.An Luke Mewburn ,
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with some sections inspired by
|
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.Xr tcsh 1 .
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