anchor.diff:      search-cmd set-schema [INDEX] SCHEMAFILE : Set schema for an index.
       search-cmd show-schema [INDEX]           : Display the schema for an index.
       search-cmd clear-schema-cache            : Empty the schema cache on all nodes.
  -    search-cmd shell [INDEX]                 : Start the interactive Search shell.
       search-cmd search [INDEX] QUERY          : Perform a search.
       search-cmd search-doc [INDEX] QUERY      : Perform a document search.
       search-cmd explain [INDEX] QUERY         : Display an execution plan.
  
positive.code:     command([_CurDir, "clear-schema-cache"]);
  command([_CurDir, "clear-schema-cache"]) ->
      clear_schema_cache();
  
  %% Shell
  command([_CurDir, "shell"]) -> 
      shell(?DEFAULT_INDEX);
  command([_CurDir, "shell", Index]) ->
      shell(Index);
  
  %% Search
  command([_CurDir, "search", Query]) ->
  
negative.code:             [ io:format("    ~p~n", [N]) || N <- BadNodes ]
      end.
  
  search(DefaultIndex, Query) -> 
      io:format("~n :: Searching for '~s' in ~s...~n~n", [Query, DefaultIndex]),
      io:format("------------------------------~n~n"),
  