diff --git a/src/osm/jp/postgis/Postgis.java b/src/osm/jp/postgis/Postgis.java
index 0cdeda3..7d87ef1 100644
--- a/src/osm/jp/postgis/Postgis.java
+++ b/src/osm/jp/postgis/Postgis.java
@@ -22,8 +22,16 @@
  */
 public class Postgis implements AutoCloseable
 {
+    /**
+     * 
+     * $ java -cp .:osmCoverage.jar:hayashi.jar:postgresql.jar \
+     *      osm.jp.postgis.Postgis ./share
+     * @param args
+     * @throws Exception 
+     */
     public static void main(String[] args) throws Exception {
-        try (Postgis db = new Postgis()) {
+        File dir = new File(args[0]);
+        try (Postgis db = new Postgis(dir)) {
             db.initTableAll();
             db.importCsvAll();
         }
@@ -31,6 +39,7 @@
     
     TableInfo[] tables;
     Connection con = null;
+    File workspaceDir;
     
     class TableInfo {
         String tableName;
@@ -42,7 +51,13 @@
         }
     }
     
-    public Postgis() throws ClassNotFoundException, SQLException, IOException {
+    public Postgis(File workspace) throws ClassNotFoundException, SQLException, IOException {
+        if (workspace == null) {
+            this.workspaceDir = new File(".");
+        }
+        else {
+            this.workspaceDir = workspace;
+        }
         ArrayList<TableInfo> list = new ArrayList<>();
         list.add(new TableInfo("t_busstop", "GML_BUSSTOP/t_busstop.csv"));
         list.add(new TableInfo("t_fuel", "GML_FUEL/t_fuel.csv"));
@@ -89,7 +104,7 @@
     
     public void importCsv(TableInfo info) throws Exception {
         String charsetName = "UTF-8";
-        File csvFile = new File(info.csvPath);
+        File csvFile = new File(this.workspaceDir, info.csvPath);
         try (LineNumberReader reader = new LineNumberReader(new InputStreamReader(new FileInputStream(csvFile), charsetName))) {
             String line;
             ArrayList<String> header = new ArrayList<>();