added qcd -l name to find the match

qcd_function

@@ -13,27 +13,38 @@ function cd_history () {
 alias cd=cd_history
 
 function qcd() {
-    while getopts alhm opt
+    local OPTIND
+    local OPTARG
+     
+    while getopts aLl:hm opt
     do  case "$opt" in
         a)
             # Adding
-            name=${!OPTIND}
+            local name=${!OPTIND}
             if [ -z "$name" ]
             then name=$( basename $( pwd ))
             fi
 
             echo "$name":$( pwd )
             echo "$name":$( pwd ) >> ~/.qcd
+            return
         ;;
-        l)
+        L)
             echo ==History ~/.bash_cdhistory:
             cat ~/.bash_cdhistory
             echo 
             echo ==Saved ~/.qcd:
             cat ~/.qcd
+            return
+        ;;
+        l)
+            local d=$( grep -h ^"$OPTARG" ~/.qcd <( tac ~/.bash_cdhistory ) | head -n 1 )
+            d=${d/*:/}
+            echo $d
+            return
         ;;
         m)
-            IFS=$'\n'
+            local IFS=$'\n'
             for line in $( cat ~/.bash_cdhistory );
             do if [ -d "${line/*:/}" ];
                then echo "$line" >> ~/.bash_cdhistory.tmp
@@ -46,22 +57,21 @@ function qcd() {
                fi
             done
             mv ~/.qcd.tmp ~/.qcd
+            return
         ;;
         h)
-            echo "qcd [-al] [name]"
-            echo "Change current working path based on the list ~/.qcd"
-            echo "Keeps a history of folders visited in ~/.bash_cdhistory"
-            echo " "
-            echo "qcd -a [name]"
-            echo "  Adds the path to the list"
-            echo "  You may add the name of the path, but when omitted"
-            echo "  the basename will be used"
-            echo " "
-            echo "qcd -l "
-            echo "  Lists the paths"
-            echo " "
-            echo "qcd -m "
-            echo "  Maintain the list files, deleting non-existing entries"
+            echo 'qcd [-mLh]|[-al] [name]
+Change current working path based on the list ~/.qcd
+Keeps a history of folders visited in ~/.bash_cdhistory
+
+ -a [name]   Adds the path to the list
+  You may add the name of the path, but when omitted
+  the basename will be used
+
+ -l [name]   Show the match, but do not change
+ -L          Lists the paths
+ -m          Maintain the list, deleting non-existing entries'
+           return
         ;;
         esac
     done