Update save_multiple_powder.py

save_multiple_powder.py

+grp = mtd['group_name']
+
+# Save by run number
+for ws in grp:
+    SaveFocusedXYE(ws, SplitFiles=False, IncludeHeader=False,
+                   Filename='{}.xye'.format(ws.getTitle()))
+
+# Save by title
+for ws in grp:
+    SaveFocusedXYE(ws, SplitFiles=False, IncludeHeader=False,
+                   Filename='{}.xye'.format(ws.getRunNumber()))
+
+# Save by run number and title
+for ws in grp:
+    SaveFocusedXYE(ws, SplitFiles=False, IncludeHeader=False,
+                   Filename='{}-{}.xye'.format(ws.getRunNumber(), ws.getTitle()))