Reference > Functions reference > Container functions > Base64EncodeRFC

Base64EncodeRFC

Returns data as text in the specified Base64 format.

Format

Base64EncodeRFC ( RFCNumber ; data )

Parameters

RFCNumber - a number representing the IETF RFC standard of the Base64 format to use.

data - any text expression or field.

Data type returned

text

Originated in

FileMaker Pro 16.0

Description

This function is similar to Base64Encode, except that you can specify the formatting to use.

For the RFCNumber parameter, use one of the following values to specify the RFC standard to follow for formatting Base64-encoded text. If you use an unrecognized value, this function defaults to RFC 4648.

`RFCNumber`	Encodes text with
1421	Maximum line length of 64 and CRLF (carriage return, line feed) line endings
2045	Maximum line length of 76 and CRLF line endings
3548	No line breaks added
4648	No line breaks added
4880	Maximum line length of 76, CRLF line endings, and an appended 24-bit CRC value

Notes

•This function is not supported in runtime solutions and returns "?".

Example 1

Base64EncodeRFC ( 4648 ; Products::Color ) returns QmxhY2s= when Products::Color is set to "Black".

Example 2

Base64EncodeRFC ( 1421 ; Products::Container ) returns a string whose first line is the following when Products::Container is set to Help button .

iVBORw0KGgoAAAANSUhEUgAAAB8AAAARCAYAAAAlpHdJAAAAAXNSR0IArs4c6QAA

Each 64-character line ends with carriage return and line feed characters.