encode base64 for hash> encode base64 {flags} ...rest
--character-set, -c {string}: specify the character rules for encoding the input. Valid values are 'standard', 'standard-no-padding', 'url-safe', 'url-safe-no-padding','binhex', 'bcrypt', 'crypt', 'mutf7'...rest: For a data structure input, encode data at the given cell paths| input | output | 
|---|---|
| binary | string | 
| list<any> | list<string> | 
| list<binary> | list<string> | 
| list<string> | list<string> | 
| record | record | 
| string | string | 
| table | table | 
Encode binary data
>0x[09F911029D74E35BD84156C5635688C0] |encode base64
CfkRAp1041vYQVbFY1aIwA==
Encode a string with default settings
>'Some Data'|encode base64
U29tZSBEYXRh
Encode a string with the binhex character set
>'Some Data'|encode base64--character-setbinhex
7epXB5"%A@4J
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    https://www.nushell.sh/commands/docs/encode_base64.html