grep: now prints the number of entries grepped

python/obitools3/commands/grep.pyx

@@ -335,14 +335,14 @@ def run(config):
         for i in range(len(i_view)):
             PyErr_CheckSignals()
             pb(i)
-            selection.append(i)        
+            selection.append(i)
     
     elif filter is not None :   # filter is None if no line will be selected because some columns don't exist
         for i in range(len(i_view)):
             PyErr_CheckSignals()
             pb(i)
             line = i_view[i]
-                     
+            
             loc_env = {"sequence": line, "line": line, "taxonomy": taxo, "obi_eval_result": False}
             
             good = filter(line, loc_env)
@@ -358,7 +358,9 @@ def run(config):
         o_view = selection.materialize(o_view_name)
     except Exception, e:
         raise RollbackException("obi grep error, rollbacking view: "+str(e), o_view)
-    
+
+    logger("info", "Grepped %d entries" % len(o_view))
+
     # Save command config in View and DMS comments
     command_line = " ".join(sys.argv[1:])
     input_dms_name=[input[0].name]