Keys returns the keys of a map.

PEMDecodeMany decodes multiple PEM encoded blocks from a single byte slice.

PEMEncodeMany PEM encodes multiple byte slices to a single byte slice.

RemoveFile removes a file, ignoring all errors.

RemoveFiles removes multiple files, ignoring all errors.

WriteTempFile writes data to a temporary file and returns its name.

WriteTempFilePem writes PEM encoded data to a temporary file and return its name.

WriteTempFilePems writes multiple PEM encoded data to a temporary file and return its name.

WriteTempFiles writes data to temporary files and returns their names.

WriteTempFilesPem write PEM encoded data to temporary files and returns their names.

https://stackoverflow.com/a/28323276.