redhat man page for base64

base64(n)						       base64 en- & decoding							 base64(n)

NAME
       base64 - Procedures to encode and decode base64

SYNOPSIS
       package require Tcl 8

       package require base64 ?2.2.1?

       ::base64::encode ?-maxlen Imaxlen? ?-wrapchar wrapchar? string

       ::base64::decode string

DESCRIPTION
       This package provides procedures to encode binary data into base64 and back.

       ::base64::encode ?-maxlen Imaxlen? ?-wrapchar wrapchar? string
	      Base64  encodes  the  given  binary string and returns the encoded result. Inserts the character wrapchar every maxlen characters of
	      output. wrapchar defaults to newline.  maxlen defaults to 60.

       ::base64::decode string
	      Base64 decodes the given string and returns the binary data.  The decoder ignores whitespace in the string.

KEYWORDS
       encoding, base64

base64								       2.2.1								 base64(n)