3 # selector is a simple command line utility for selection of strings
4 # with a dynamic pattern-matching.
6 # Copyright (c) 2011, 2012 Francois Fleuret
7 # Written by Francois Fleuret <francois@fleuret.org>
9 # This file is part of selector.
11 # selector is free software: you can redistribute it and/or modify
12 # it under the terms of the GNU General Public License version 3 as
13 # published by the Free Software Foundation.
15 # selector is distributed in the hope that it will be useful, but
16 # WITHOUT ANY WARRANTY; without even the implied warranty of
17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 # General Public License for more details.
20 # You should have received a copy of the GNU General Public License
21 # along with selector. If not, see <http://www.gnu.org/licenses/>.
23 # This script installs two key-bindings:
25 # Alt-r for selector-based command history
27 # Alt-c for selector-based directoy history
29 # Note that you have to call it with "source bash-selector.sh"
30 # otherwise the key-bindings will not be effective in your current
33 if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
34 echo "This script must be called with 'source $(basename $0)'" >&2
38 ######################################################################
39 # Selector-based command history
40 ######################################################################
42 function selector-history () {
43 selector --bash -j -y -u -c 7,4,0,3 -q <(history)
46 ######################################################################
47 # Selector-based directory history
48 ######################################################################
50 # The file where we will keep track of the directories and how many
51 # lines to keep in there
53 export SELECTOR_CD_HISTORY
55 [[ "${SELECTOR_CD_HISTORY}" ]] || SELECTOR_CD_HISTORY=${HOME}/.selector-cd-history
57 export SELECTOR_CD_HISTORY_SIZE
59 [[ "${SELECTOR_CD_HISTORY_SIZE}" ]] || SELECTOR_CD_HISTORY_SIZE=1000
61 # The function to use in place of the standard "cd"
63 function selector-cd () {
66 if [[ -z "$1" ]]; then
72 if [[ -f "${SELECTOR_CD_HISTORY}" ]]; then
73 TMP=$(mktemp /tmp/selector-cd.XXXXXX)
74 tail -$((SELECTOR_CD_HISTORY_SIZE-1)) < "${SELECTOR_CD_HISTORY}" > "${TMP}"
75 cat "${TMP}" > "${SELECTOR_CD_HISTORY}"
79 echo "${PWD}" | sed -e "s!^${HOME}!~!" >> "${SELECTOR_CD_HISTORY}"
82 function selector-cd-search () {
85 if [[ -f "${SELECTOR_CD_HISTORY}" ]]; then
86 PATH_TEMP=$(mktemp /tmp/selector-cd-path.XXXXXX)
87 selector -j -y -u -t "cd" -l "${SELECTOR_CD_HISTORY_SIZE}" -d -i -c 7,2,0,3 -o "${PATH_TEMP}" -q "${SELECTOR_CD_HISTORY}"
88 NEW_PATH="$(cat "${PATH_TEMP}" | sed -e 's!~!'${HOME}'!')"
89 if [[ -d "${NEW_PATH}" ]]; then
90 selector-cd "$(cat "${PATH_TEMP}" | sed -e 's!^~!'${HOME}'!')"
94 echo "No cd history file '${SELECTOR_CD_HISTORY}'." >&2
100 ######################################################################
101 # The key-bindings themselves
102 ######################################################################
104 # M-t appends the selected history line and the end of the current
105 # one bind '"\C-[t":"\C-a\C-kselector-history\C-m\C-a\C-y\C-e"'
114 # M-r puts the selected history line in place of the current one
115 bind '"\C-[r":"\C-a\C-kselector-history\C-m"'
119 # M-c provides a dynamic list of directories to cd into
120 bind '"\C-[c":"\C-a\C-kselector-cd-search\C-m"'
124 echo "Unknown argument $1" >&2
134 echo "source bash-selector.sh <--hist|--cd> [...]"
136 echo "Defines bash functions, and installs key-bindings and aliases to use selector"
137 echo "for history search with M-r and/or intelligent cd history with M-c."