anchor.diff:  	 get_clones_by_erlang_suffix_tree/5, 
   	 display_clone_result/2, remove_sub_clones/1]).
   
  --compile(export_all).
  -
   -import(refac_sim_expr_search, [start_counter_process/0, stop_counter_process/1, 
   				gen_new_var_name/1,variable_replaceable/1]).
   
  
positive.code:     end.
  
  
  file_info(DirFileList)->
       FileNames = refac_util:expand_files(DirFileList, ".erl"),
       refac_io:format("No of files:\n~p\n", [length(FileNames)]),
       lists:sum(lists:map(fun(F) ->
  		       Toks= refac_util:tokenize(F, false, 8),
  		       {L, _} = token_loc(lists:last(Toks)),
  		       L
  	       end, FileNames)).
      
  
negative.code: 		 case L -- Type =/= L of
  		     true -> case length(Exprs)>1 of 
  				 true ->
  				     [[E]||E<-Exprs];
  				 false ->
  				     [Exprs]
  			     end;
  