From 0f3c13d1fd260a50d1d9a1950aa4190c9ed9885d Mon Sep 17 00:00:00 2001
From: Richard Eckart de Castilho <richard.eckart@gmail.com>
Date: Tue, 15 Jan 2019 13:11:54 +0100
Subject: [PATCH] #1323 - File extension generated by BinaryCasWriter does not
 contain dot

- Add missing dot
---
 .../tudarmstadt/ukp/dkpro/core/io/bincas/BinaryCasWriter.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dkpro-core-io-bincas-asl/src/main/java/de/tudarmstadt/ukp/dkpro/core/io/bincas/BinaryCasWriter.java b/dkpro-core-io-bincas-asl/src/main/java/de/tudarmstadt/ukp/dkpro/core/io/bincas/BinaryCasWriter.java
index 4117f7f769..fec63b0213 100644
--- a/dkpro-core-io-bincas-asl/src/main/java/de/tudarmstadt/ukp/dkpro/core/io/bincas/BinaryCasWriter.java
+++ b/dkpro-core-io-bincas-asl/src/main/java/de/tudarmstadt/ukp/dkpro/core/io/bincas/BinaryCasWriter.java
@@ -212,7 +212,7 @@ public void initialize(UimaContext aContext)
         
         if (AUTO.equals(filenameExtension)) {
             try {
-                filenameExtension = SerialFormat.valueOf(format).getDefaultFileExtension();
+                filenameExtension = "." + SerialFormat.valueOf(format).getDefaultFileExtension();
             }
             catch (IllegalArgumentException e) {
                 filenameExtension = ".bin";