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 $0)'" >&2
38 ######################################################################
39 # Selector-based command history
40 ######################################################################
42 function selector-history () {
43 selector --bash -j -y -u -c 7,4,0,3 -q <(history)
46 ######################################################################
47 # Selector-based directory history
48 ######################################################################
50 # The file where we will keep track of the directories
52 export SELECTOR_CD_HISTORY
54 [[ "${SELECTOR_CD_HISTORY}" ]] || SELECTOR_CD_HISTORY=${HOME}/.selector-cd-history
56 # The function to use in place of the standard "cd"
58 [[ "${SELECTOR_CD_HISTORY_SIZE}" ]] || SELECTOR_CD_HISTORY_SIZE=1000
60 function selector-cd () {
61 if [[ -z "$1" ]]; then
67 if [[ -f ${SELECTOR_CD_HISTORY} ]]; then
68 TMP=$(mktemp /tmp/selector-cd.XXXXXX)
69 tail -$((SELECTOR_CD_HISTORY_SIZE-1)) < ${SELECTOR_CD_HISTORY} > ${TMP}
70 cat ${TMP} > ${SELECTOR_CD_HISTORY}
74 echo $PWD | sed -e "s!^${HOME}!~!" >> ${SELECTOR_CD_HISTORY}
77 function selector-cd-search () {
78 if [[ -f ${SELECTOR_CD_HISTORY} ]]; then
79 PATH_TEMP=$(mktemp /tmp/selector-cd-path.XXXXXX)
80 selector -j -y -u -t "cd" -l ${SELECTOR_CD_HISTORY_SIZE} -d -i -c 7,2,0,3 -o ${PATH_TEMP} -q ${SELECTOR_CD_HISTORY}
81 NEW_PATH="$(cat ${PATH_TEMP} | sed -e 's!~!'${HOME}'!')"
82 if [[ -d "${NEW_PATH}" ]]; then
83 selector-cd "$(cat ${PATH_TEMP} | sed -e 's!^~!'${HOME}'!')"
87 echo "No cd history file ${SELECTOR_CD_HISTORY}." >&2
93 ######################################################################
94 # The key-bindings themselves
95 ######################################################################
97 # M-t appends the selected history line and the end of the current
98 # one bind '"\C-[t":"\C-a\C-kselector-history\C-m\C-a\C-y\C-e"'
107 # M-r puts the selected history line in place of the current one
108 bind '"\C-[r":"\C-a\C-kselector-history\C-m"'
112 # M-c provides a dynamic list of directories to cd into
113 bind '"\C-[c":"\C-a\C-kselector-cd-search\C-m"'
117 echo "Unknown argument $1" >&2
127 echo "source bash-selector.sh <--hist|--cd> [...]"
129 echo "Defines bash functions, and installs key-bindings and aliases to use selector"
130 echo "for history search with M-r and/or intelligent cd history with M-c."