Fixed first two issues reported by Erik. Previous scaled files are no…

…w correctly removed when running new reduction. Users are now correctly informed of the fact that all the data runs they have loaded are added togethe. This refs #4303

Code/Mantid/Framework/PythonAPI/PythonAlgorithms/RefLReduction.py

@@ -78,7 +78,7 @@ def PyInit(self):
         self.declareProperty("IncidentMediumSelected", "",
                              Description="Incident medium used for those runs")
 
-    def PyExec(self):
+    def PyExec(self):   
 
         import os
         import numpy
@@ -91,6 +91,8 @@ def PyExec(self):
         for _mt in list_mt:
             if _mt.find('_scaled') != -1:
                 mtd.remove(_mt)
+            if _mt.find('_reflectivity') != -1:
+                mtd.remove(_mt)
 
         from mantidsimple import mtd    
 
@@ -105,7 +107,6 @@ def PyExec(self):
 
         normalization_run = self.getProperty("NormalizationRunNumber")
 
-        print '** Working with data runs: ' + str(run_numbers)
         data_peak = self.getProperty("SignalPeakPixelRange")
         data_back = self.getProperty("SignalBackgroundPixelRange")
 
@@ -166,6 +167,12 @@ def PyExec(self):
         allow_multiple = True        
 
         if len(run_numbers)>1 and allow_multiple:
+
+            _list = []
+            for _run in run_numbers:
+                _list.append(str(_run))
+            list_run = ','.join(_list)
+            print '** Working with data runs: ' + str(list_run)
 
             for _run in run_numbers:
 
@@ -191,6 +198,8 @@ def PyExec(self):
                          RHSWorkspace='tmp',
                          OutputWorkspace=ws_event_data)
         else:
+
+            print '** Working with data runs: ' + str(run_numbers[0])
 
             _File = FileFinder.findRuns("REF_L%d" %run_numbers[0])
             if len(_File)>0 and os.path.isfile(_File[0]):