i-bash/examples/scripts.noah/stty.bash
2009-09-12 16:46:49 +00:00

64 lines
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Bash

# stty.bash
# Author: Noah Friedman <friedman@prep.ai.mit.edu>
# Created: 1992-01-11
# Last modified: 1993-09-29
# Public domain
# Conversion to bash v2 syntax done by Chet Ramey
# Commentary:
# Code:
require remap_keybindings
#:docstring stty:
# Track changes to certain keybindings with stty, and make those changes
# reflect in bash's readline bindings as well.
#
# This requires bash version 1.10 or newer, since previous versions did not
# implement the `bind' builtin.
#:end docstring:
###;;;autoload
function stty ()
{
local erase="backward-delete-char"
local kill="unix-line-discard"
local werase="backward-kill-word"
local lnext="quoted-insert"
local readline_function=""
local key=""
local stty_command=""
while [ $# -gt 0 ]; do
case "$1" in
erase | kill | werase | lnext )
key=$(echo "${2}" | cat -v | sed 's/\^/\\C-/')
readline_function=$(eval echo \$${1})
# Get rid of any current bindings; the whole point of this
# function is to make the distinction between readline
# bindings and particular cbreak characters transparent; old
# readline keybindings shouldn't hang around.
# could use bind -r here instead of binding to self-insert
remap_keybindings "${readline_function}" "self-insert"
# Bind new key to appropriate readline function
bind "\"${key}\": ${readline_function}"
stty_command="${stty_command} ${1} ${2}"
shift 2
;;
*)
stty_command="${stty_command} ${1}"
shift
;;
esac
done
command stty ${stty_command}
}
provide stty
# stty.bash ends here