Merge branch 'master' of github.com:RADAR-CNS/Restructure-HDFS-topic

Author: blootsvoets

README.md

@@ -6,5 +6,5 @@ Build jar from source with
 ```
 and find the output JAR file as `build/libs/restructurehdfs-all-0.1-SNAPSHOT.jar`. Then run with:
 ```
-hadoop jar restructurehdfs-all-0.1.0.jar <webhdfs_url> <hdfs_topic_path> <output_folder>
+hadoop jar restructurehdfs-all-0.1-SNAPSHOT.jar <webhdfs_url> <hdfs_topic_path> <output_folder>
 ```

src/main/java/org/radarcns/util/FileCache.java

@@ -48,7 +48,7 @@ public boolean appendLine(File file, String data) throws IOException {
             ensureCapacity();
 
             File dir = file.getParentFile();
-            if (!file.getParentFile().exists()){
+            if (!dir.exists()){
                 if (dir.mkdirs()) {
                     logger.debug("Created directory: {}", dir.getAbsolutePath());
                 } else {