paralellized seq.error and dist.shared added some error checks to libshuff and dist...

[mothur.git] / libshuffcommand.cpp

diff --git a/libshuffcommand.cpp b/libshuffcommand.cpp
index 02104142c753b626f245f256e910c4ed3351e6bb..11430117dd1df9c9e2696010324eb3c51b4f2fe6 100644 (file)
--- a/libshuffcommand.cpp
+++ b/libshuffcommand.cpp
@@ -243,7 +243,11 @@ int LibShuffCommand::execute(){
                
                        
                setGroups();                                                            //set the groups to be analyzed and sorts them
-                       
+               
+               if (numGroups < 2) { m->mothurOut("[ERROR]: libshuff requires at least 2 groups, you only have " + toString(numGroups) + ", aborting."); m->mothurOutEndLine(); m->control_pressed = true; }
+               
+               if (m->control_pressed) { delete groupMap; delete matrix; return 0; }
+               
                /********************************************************************************************/
                //this is needed because when we read the matrix we sort it into groups in alphabetical order
                //the rest of the command and the classes used in this command assume specific order