From 9ce65debe403b1f8d0202d0bac7ec6d5b38237e6 Mon Sep 17 00:00:00 2001
From: rhpvorderman <R.H.P.Vorderman@LUMC.nl>
Date: Tue, 7 Mar 2017 10:45:17 +0100
Subject: [PATCH] Changed VCFstats to check whether outputDir is a valid
 directory.

---
 .../scala/nl/lumc/sasc/biopet/tools/vcfstats/VcfStats.scala     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/biopet-tools/src/main/scala/nl/lumc/sasc/biopet/tools/vcfstats/VcfStats.scala b/biopet-tools/src/main/scala/nl/lumc/sasc/biopet/tools/vcfstats/VcfStats.scala
index e1c2f3539..6f7789176 100644
--- a/biopet-tools/src/main/scala/nl/lumc/sasc/biopet/tools/vcfstats/VcfStats.scala
+++ b/biopet-tools/src/main/scala/nl/lumc/sasc/biopet/tools/vcfstats/VcfStats.scala
@@ -74,7 +74,7 @@ object VcfStats extends ToolCommand {
     opt[File]('o', "outputDir") required () unbounded () maxOccurs 1 valueName "<file>" action { (x, c) =>
       c.copy(outputDir = x)
     } validate {
-      x => if (x == null) failure("Output directory required") else success
+      x => if (x.exists) succes else failure ("Valid output directory required") 
     } text "Path to directory for output (required)"
     opt[File]('i', "intervals") unbounded () valueName "<file>" action { (x, c) =>
       c.copy(intervals = Some(x))
-- 
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