idf_search_path::add_path

Source: idf/idf_search/idf_search_path__add_path.pro

 idf_search_path::add_path
        Add one or more elements to the data search path.

 Usage:
        idfref -> add_path, path

 Argument:
        path    string  Can be one of: a single directory name, an
                        array of directory names or a colon separated
                        list of directory names.

 Keywords:
        set_default     If set, then reset the path to the default
                        value
        replace         If set, then replace the current path setting
                        with the argument rather than appending it.
        prepend         If set, then prepend rather than appending the
                        new path
 History:
        Original: 6/12/99; SJT
        Rename SET key as replace and fix array/scalar problems:
        8/12/99; SJT
        Add MFSA & prepend: 27/3/00; SJT
        Fix problem with multi-element path and all invalid: 21/9/00; SJT
        Replace direxists with file_Test: 15/4/03; SJT
        Remove VMS support: 15/4/03; SJT