text base64Encode(text, flags)
Encode a text as characters in the UTF-8 charset or an hexadecimal representation of bytes, to Base64.
Flags:
| Flag | Description | 
|---|---|
"c" | Terminate lines with CRLF \r\n instead of LF \n | 
"h" | Expect the text to be an hexadecimal representation of bytes, see hexEncode function. | 
"p" | Omit the padding = characters at the end | 
"u" | Use the “URL and filename safe” variant, where - and _ are used in place of + and / | 
"w" | Omit all line terminators resulting in a single, possibly very long, line |