# 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 #
#########################################################################
-set -e
+# 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 ". bash-selector.sh" otherwise
+# the key-bindings will not be effective in your current bash
-# Selector based history
+######################################################################
+# 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
- echo $PWD | sed -e "s!${HOME}!~!" >> ${SELECTOR_CD_HISTORY}
+ TMP=$(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 ${TMP}
}
function selector-cd-search () {
PATH_TEMP=$(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
+######################################################################
+# The key-bindings themselves
+######################################################################
+
# M-r puts the selected history line in place of the current one
bind '"\C-[r":"\C-a\C-kselector-history\C-m"'