— Y: = Function File base64encode(X)
— Y: = Function File base64encode(X, do_reshape)

Convert X into string of printable characters according to RFC 2045. The input may be a string or a matrix of integers in the range 0..255. If want the output in the 1-row of strings format, pass the do_reshape argument as true.

Example:

          base64encode('Hakuna Matata',true)
          returns 'SGFrdW5hIE1hdGF0YQ=='