diff --git a/java/tools/src/java/org/apache/orc/tools/Driver.java b/java/tools/src/java/org/apache/orc/tools/Driver.java
index 8b16876..b9057ae 100644
--- a/java/tools/src/java/org/apache/orc/tools/Driver.java
+++ b/java/tools/src/java/org/apache/orc/tools/Driver.java
@@ -86,13 +86,14 @@
           " [--define X=Y] <command> <args>");
       System.err.println();
       System.err.println("Commands:");
-      System.err.println("   version - print the version of this ORC tool");
-      System.err.println("   meta - print the metadata about the ORC file");
-      System.err.println("   data - print the data from the ORC file");
-      System.err.println("   scan - scan the ORC file");
       System.err.println("   convert - convert CSV and JSON files to ORC");
+      System.err.println("   count - recursively find *.orc and print the number of rows");
+      System.err.println("   data - print the data from the ORC file");
       System.err.println("   json-schema - scan JSON files to determine their schema");
       System.err.println("   key - print information about the keys");
+      System.err.println("   meta - print the metadata about the ORC file");
+      System.err.println("   scan - scan the ORC file");
+      System.err.println("   version - print the version of this ORC tool");
       System.err.println();
       System.err.println("To get more help, provide -h to the command");
       System.exit(1);
@@ -102,23 +103,34 @@
     for(Map.Entry pair: confSettings.entrySet()) {
       conf.set(pair.getKey().toString(), pair.getValue().toString());
     }
-    if ("version".equals(options.command)) {
-      PrintVersion.main(conf, options.commandArgs);
-    } else if ("meta".equals(options.command)) {
-      FileDump.main(conf, options.commandArgs);
-    } else if ("data".equals(options.command)) {
-      PrintData.main(conf, options.commandArgs);
-    } else if ("scan".equals(options.command)) {
-      ScanData.main(conf, options.commandArgs);
-    } else if ("json-schema".equals(options.command)) {
-      JsonSchemaFinder.main(conf, options.commandArgs);
-    } else if ("convert".equals(options.command)) {
-      ConvertTool.main(conf, options.commandArgs);
-    } else if ("key".equals(options.command)) {
-      KeyTool.main(conf, options.commandArgs);
-    } else {
-      System.err.println("Unknown subcommand: " + options.command);
-      System.exit(1);
+    switch (options.command) {
+      case "convert":
+        ConvertTool.main(conf, options.commandArgs);
+        break;
+      case "count":
+        RowCount.main(conf, options.commandArgs);
+        break;
+      case "data":
+        PrintData.main(conf, options.commandArgs);
+        break;
+      case "json-schema":
+        JsonSchemaFinder.main(conf, options.commandArgs);
+        break;
+      case "key":
+        KeyTool.main(conf, options.commandArgs);
+        break;
+      case "meta":
+        FileDump.main(conf, options.commandArgs);
+        break;
+      case "scan":
+        ScanData.main(conf, options.commandArgs);
+        break;
+      case "version":
+        PrintVersion.main(conf, options.commandArgs);
+        break;
+      default:
+        System.err.println("Unknown subcommand: " + options.command);
+        System.exit(1);
     }
   }
 }
diff --git a/java/tools/src/java/org/apache/orc/tools/RowCount.java b/java/tools/src/java/org/apache/orc/tools/RowCount.java
new file mode 100644
index 0000000..efe0ffe
--- /dev/null
+++ b/java/tools/src/java/org/apache/orc/tools/RowCount.java
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.orc.tools;
+
+import java.io.IOException;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.LocatedFileStatus;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.fs.RemoteIterator;
+import org.apache.orc.OrcFile;
+import org.apache.orc.Reader;
+
+/**
+ * Given a set of paths, finds all of the "*.orc" files under them and prints the number of rows in each file.
+ */
+public class RowCount {
+  public static void main(Configuration conf, String[] args) throws IOException {
+    int bad = 0;
+    for(String root: args) {
+      Path rootPath = new Path(root);
+      FileSystem fs = rootPath.getFileSystem(conf);
+      for(RemoteIterator<LocatedFileStatus> itr = fs.listFiles(rootPath, true); itr.hasNext(); ) {
+        LocatedFileStatus status = itr.next();
+        if (status.isFile() && status.getPath().getName().endsWith(".orc")) {
+          Path filename = status.getPath();
+          try (Reader reader = OrcFile.createReader(filename, OrcFile.readerOptions(conf))) {
+            System.out.println(String.format("%s %d", filename.toString(), reader.getNumberOfRows()));
+          } catch (IOException ioe) {
+            bad += 1;
+            System.err.println("Failed to read " + filename);
+          }
+        }
+      }
+    }
+    System.exit(bad == 0 ? 0 : 1);
+  }
+
+  public static void main(String[] args) throws IOException {
+    main(new Configuration(), args);
+  }
+}
\ No newline at end of file