From cacfef630f66a66c89db1b5160e84c107669364e Mon Sep 17 00:00:00 2001
From: Matt Nadareski <mnadareski@outlook.com>
Date: Fri, 20 May 2016 23:38:49 -0700
Subject: [PATCH] Output only if there's something worth outputting

---
 HashSplit/HashSplit.cs | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/HashSplit/HashSplit.cs b/HashSplit/HashSplit.cs
index b6a7d2b0..b84d2984 100644
--- a/HashSplit/HashSplit.cs
+++ b/HashSplit/HashSplit.cs
@@ -280,9 +280,18 @@ namespace SabreTools
 			// Now, output all of the files to the output directory
 			_logger.User("DAT information created, outputting new files");
 			bool success = true;
-			success &= Output.WriteDatfile(sha1, outdir, _logger);
-			success &= Output.WriteDatfile(md5, outdir, _logger);
-			success &= Output.WriteDatfile(crc, outdir, _logger);
+			if (sha1.Roms.Count > 0)
+			{
+				success &= Output.WriteDatfile(sha1, outdir, _logger);
+			}
+			if (md5.Roms.Count > 0)
+			{
+				success &= Output.WriteDatfile(md5, outdir, _logger);
+			}
+			if (crc.Roms.Count > 0)
+			{
+				success &= Output.WriteDatfile(crc, outdir, _logger);
+			}
 
 			return success;
 		}