input-file-spec

    The name of an input file to convert. The format of the file
    must be specified with a positional /FORMAT qualifier. The file
    extension of the input file must match the specified format (see
    the /FORMAT qualifier description for details).

 output-file-spec

    The name of an output file to create. The format of the output
    file is selected with the /FORMAT positional qualifier. The file
    extension of the output file must match the specified format (see
    the /FORMAT qualifier description for details).