The internal method decompress_file decompresses a file and returns
the path to the result.
decompress_file(filename, outputdir, overwrite=FALSE, remove=TRUE)The path of the decompressed file.
character. Path to the file that should be decompressed.
character. Path to the output directory.
logical. If TRUE and the output file already exists
then the file is silently overwritten, otherwise an exception is thrown.
logical. If TRUE then the input file is removed
afterwards, otherwise not.
compress_file