Function sort_file 

pub fn sort_file(
    input: &Path,
    opts: &SortOptions,
) -> Result<SortReport, SortError>

Sort input chronologically and write the result according to opts.

Thin wrapper around sort_files for the common single-input case.

PCAPng input is not yet supported and returns SortError::PcapNgNotSupported.

Errors

Returns SortError on I/O failure, unsupported input format, or invalid slice specification.