# along with this program. If not, see <http://www.gnu.org/licenses/>. #
# #
# Written by and Copyright (C) Francois Fleuret #
-# Contact <francois.fleuret@idiap.ch> for comments & bug reports #
+# Contact <francois@fleuret.org> for comments & bug reports #
#########################################################################
-# Selector based history
+# This script installs two key-bindings:
+#
+# Alt-r for selector-based command history
+#
+# Alt-c for selector-based directoy history
+#
+# Note that you have to call it with "source bash-selector.sh"
+# otherwise the key-bindings will not be effective in your current
+# bash
+
+if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
+ echo "This script must be called with 'source $(basename $0)'" >&2
+ exit 1
+fi
+
+######################################################################
+# Selector-based command history
+######################################################################
function selector-history () {
selector --bash -u -c 7,4,0,3 -q <(history)
}
-# Maintains a list of visited directories and provide a selector-based
-# command to go back to any of them.
+######################################################################
+# Selector-based directory history
+######################################################################
+
+# The file where we will keep track of the directories
export SELECTOR_CD_HISTORY
[[ "${SELECTOR_CD_HISTORY}" ]] || SELECTOR_CD_HISTORY=${HOME}/.selector-cd-history
+# The function to use in place of the standard "cd"
+
function selector-cd () {
if [[ -z "$1" ]]; then
cd
else
cd "$@"
fi
- TMP=$(mktemp /tmp/selector-cd.XXXXXX)
- tail -1000 < ${SELECTOR_CD_HISTORY} > ${TMP}
- echo $PWD | sed -e "s!${HOME}!~!" >> ${TMP}
- cat ${TMP} > ${SELECTOR_CD_HISTORY}
- rm -f ${TMP}
+
+ if [[ -f ${SELECTOR_CD_HISTORY} ]]; then
+ TMP=$(mktemp /tmp/selector-cd.XXXXXX)
+ tail -999 < ${SELECTOR_CD_HISTORY} > ${TMP}
+ cat ${TMP} > ${SELECTOR_CD_HISTORY}
+ rm -f ${TMP}
+ fi
+
+ echo $PWD | sed -e "s!^${HOME}!~!" >> ${SELECTOR_CD_HISTORY}
}
function selector-cd-search () {
PATH_TEMP=$(mktemp /tmp/selector-cd-path.XXXXXX)
- selector -u -t "cd" -l 10000 -d -i -c 7,2,0,3 -o ${PATH_TEMP} -q ${SELECTOR_CD_HISTORY}
+ selector -u -t "cd" -l 1000 -d -i -c 7,2,0,3 -o ${PATH_TEMP} -q ${SELECTOR_CD_HISTORY}
NEW_PATH="$(cat ${PATH_TEMP} | sed -e 's!~!'${HOME}'!')"
if [[ -s "${NEW_PATH}" ]]; then
- selector-cd "$(cat ${PATH_TEMP} | sed -e 's!~!'${HOME}'!')"
+ selector-cd "$(cat ${PATH_TEMP} | sed -e 's!^~!'${HOME}'!')"
fi
\rm ${PATH_TEMP}
}
alias cd=selector-cd
-# M-r puts the selected history line in place of the current one
+######################################################################
+# The key-bindings themselves
+######################################################################
+
+ # M-t appends the selected history line and the end of the current
+ # one bind '"\C-[t":"\C-a\C-kselector-history\C-m\C-a\C-y\C-e"'
+
+if [[ "$1" ]]; then
+
+ while [[ "$1" ]]; do
+
+ case "$1" in
+
+ --hist)
+
+ # M-r puts the selected history line in place of the current one
+
+ bind '"\C-[r":"\C-a\C-kselector-history\C-m"'
+
+ ;;
+
+ --cd)
+
+ # M-c provides a dynamic list of directories to cd into
+
+ bind '"\C-[c":"\C-a\C-kselector-cd-search\C-m"'
+ ;;
+
+
+ *)
+ echo "Unknown argument $1" >&2
+ ;;
+ esac
+
+ shift
-bind '"\C-[r":"\C-a\C-kselector-history\C-m"'
+ done
-# M-t appends the selected history line and the end of the current one
-# bind '"\C-[t":"\C-a\C-kselector-history\C-m\C-a\C-y\C-e"'
+else
-# M-c provides a dynamic list of directories to cd into
+ echo "source bash-selector.sh <--hist|--cd> [...]"
+ echo
+ echo "Define bash function to use selector for history search and/or intelligent"
+ echo "cd history."
-bind '"\C-[c":"\C-a\C-kselector-cd-search\C-m"'
+fi