base64

Encode string to base64

$ echo -n baz | base64
YmF6

Encode string to base64 with line wrapping

$ echo -n bazbaz | base64 --wrap=4
YmF6
YmF6

echo -n do not output the trailing newline

Decode base64 encoded string

$ echo YmF6 | base64 -d
baz

$ echo YmF6 | base64 --decode
baz

Encode password environment variable to base64 and assign to variable

PASSWORD_BASE64=$(echo -n ${PASSWORD} | base64)