Low level read function for an individual iso file. Usually not called directly but available for methods development.
read_iso_file( ds, root, path, file_n, files_n, read_from_cache, read_from_old_cache, reread_outdated_cache, write_to_cache, cachepath, old_cachepath, post_read_check, ext, reader_fun, reader_options, reader_fun_env )
the basic data structure for the type of iso_file
root directory for the isofiles. Can be relative to the current working directory (e.g.
"data") or an absolute path on the file system (e.g.
"C:/Data/.."). The default is the current working directory (
"."). Can be supplied as a vector of same length as the provided paths if the paths have different roots.
number of processed file for info messages
total number of files for info messages
whether to read from cache
whether to read from old cache files (to be deprecated in isoreader 2.0)
whether to reread outdated cache files
whether to write to cache
path for the cache file
path for the old cache files
whether to run data integrity checks after a file read
file reader function
list of parameters to be passed on to the reader
where to find the reader function