Improved go command with exclude options

bash/bashrc/sources/40_go-command

@@ -1,6 +1,32 @@
 #!/bin/bash
 # go command
 
+function _begin_sel() {
+	_selected=
+	_sel_len=${#_sel_args[@]}
+	if [ $_sel_len -gt 1 ]; then
+		echo "There are $_sel_len possible paths under $1@[$2]"
+		j=1
+		for i in ${_sel_args[@]}; do
+			echo "    $j. $i"
+			j=$(( j + 1 ))
+		done
+
+		echo -n "Your choice [1-$(( j - 1 ))]: "
+		read num
+		re="^[1-$(( j - 1 ))]+\$"
+		if [[ ! $num =~ $re ]]; then
+			echo "Value does not fall into expected range"
+			return 1
+		fi
+		_selected=${_sel_args[$(( num - 1 ))]}
+		return 0
+	fi
+
+	_selected=${_sel_args[0]}
+	return 0
+}
+
 function go() {
     ARG1=$1; ARG2=$2; ARG3=$3;
 
@@ -45,7 +71,10 @@ function go() {
         return 1
     fi
 
-    SITE=$( ls "$UDEV" | grep -m 1 "$ARG2" )
+	_sel_args=( $( ls "$UDEV" | grep "$ARG2" ) )
+	_begin_sel $UDEV $ARG2
+
+    SITE=$_selected
     if [[ -z "$SITE" ]]; then
         echo "No such site: $ARG2"
         find "$UDEV/" -maxdepth 1 -type d | sed "s/^.\+\/\([^\/]\+\)\/\?$/    \1/g"
@@ -90,21 +119,11 @@ function go() {
                 elif [[ $j -eq 2 ]]; then
                     LOCATION=$__LOC
                 else
-                    echo "There are $(( j - 1 )) possible paths for ->> $@"
+					_sel_args=$CHOICES
-                    j=1
+					if [ -z $_selected ]; then
-                    for i in ${CHOICES[@]}; do
+						return 1
-                        echo "    $j. $i"
+					fi
-                        j=$(( j + 1 ))
+					LOCATION=$_selected
-                    done
-
-                    echo -n "Your choice [1-$(( j - 1 ))]: "
-                    read num
-                    re="^[1-$(( j - 1 ))]+\$"
-                    if [[ ! $num =~ $re ]]; then
-                        echo "Value does not fall into expected range"
-                        return 1
-                    fi
-                    LOCATION=${CHOICES[$(( num - 1 ))]}
                 fi
             fi
             break
@@ -135,13 +154,20 @@ __dive() {
         return $?
     fi
 
+	_EXCLUDE_ARGS=
+	if [ -n $EXCLUDE_DIRS ]; then
+		for i in ${EXCLUDE_DIRS[@]}; do
+			_EXCLUDE_ARGS="$_EXCLUDE_ARGS -path '*/$i' -prune -o -name $i -prune -o"
+		done
+	fi
+
     OIFS=$IFS
     IFS="*"
     PATT="*$**"
     IFS=$OIFS
 
     pushd "$WDIR" > /dev/null
-    DIR=$(find . -type d -path "$PATT" -print -quit | cut -c 3- )
+	DIR=$(find . $_EXCLUDE_ARGS -path "$PATT" -type d -print -quit | cut -c 3- )
     popd > /dev/null
 
     if [[ -z $DIR ]]; then