Added SELECTOR_CD_HISTORY_SIZE.

diff --git a/bash-selector.sh b/bash-selector.sh
index 38991b1..05bd892 100755 (executable)
--- a/bash-selector.sh
+++ b/bash-selector.sh
@@ -55,6 +55,8 @@ export SELECTOR_CD_HISTORY
 
 # The function to use in place of the standard "cd"
 
+[[ "${SELECTOR_CD_HISTORY_SIZE}" ]] || SELECTOR_CD_HISTORY_SIZE=1000
+
 function selector-cd () {
     if [[ -z "$1" ]]; then
         cd
@@ -64,7 +66,7 @@ function selector-cd () {
 
     if [[ -f ${SELECTOR_CD_HISTORY} ]]; then
         TMP=$(mktemp /tmp/selector-cd.XXXXXX)
-        tail -999 < ${SELECTOR_CD_HISTORY} > ${TMP}
+        tail -$((SELECTOR_CD_HISTORY_SIZE-1)) < ${SELECTOR_CD_HISTORY} > ${TMP}
         cat ${TMP} > ${SELECTOR_CD_HISTORY}
         rm -f ${TMP}
     fi
@@ -75,7 +77,7 @@ function selector-cd () {
 function selector-cd-search () {
     if [[ -f ${SELECTOR_CD_HISTORY} ]]; then
         PATH_TEMP=$(mktemp /tmp/selector-cd-path.XXXXXX)
-        selector -j -y -u -t "cd" -l 1000 -d -i -c 7,2,0,3 -o ${PATH_TEMP} -q ${SELECTOR_CD_HISTORY}
+        selector -j -y -u -t "cd" -l ${SELECTOR_CD_HISTORY_SIZE} -d -i -c 7,2,0,3 -o ${PATH_TEMP} -q ${SELECTOR_CD_HISTORY}
         NEW_PATH="$(cat ${PATH_TEMP} | sed -e 's!~!'${HOME}'!')"
         if [[ -d "${NEW_PATH}" ]]; then
             selector-cd "$(cat ${PATH_TEMP} | sed -e 's!^~!'${HOME}'!')"