X-Git-Url: https://git.donarmstrong.com/?p=mothur.git;a=blobdiff_plain;f=distancecommand.cpp;h=ec32ffeb9e2e28b7398f78c5dd5fd858de2326a0;hp=da5d0f157390cb1a70c666ac86a9ecae1221f095;hb=89d6711c2beed6ee75fb00e5e57f1a91564d3e89;hpb=84f93a9e670eb7f7e69e0468b9be4c53890c07f2

diff --git a/distancecommand.cpp b/distancecommand.cpp
index da5d0f1..ec32ffe 100644
--- a/distancecommand.cpp
+++ b/distancecommand.cpp
@@ -342,6 +342,14 @@ int DistanceCommand::execute(){
 		
 		if (output == "square") {  convertMatrix(outputFile); }
 		
+		ifstream fileHandle;
+		fileHandle.open(outputFile.c_str());
+		if(fileHandle) {
+			gobble(fileHandle);
+			if (fileHandle.eof()) { m->mothurOut(outputFile + " is blank. This can result if there are no distances below your cutoff.");  m->mothurOutEndLine(); }
+		}
+
+		
 		#ifdef USE_MPI
 			}
 		#endif