SYNOPSIS

       base64 [OPTION] [FILE]

DESCRIPTION

       Base64 encode or decode FILE, or standard input, to standard output.

       -w, --wrap=COLS
              Wrap  encoded lines after COLS character (default 76).  Use 0 to
              disable line wrapping.

       -d, --decode
              Decode data.

       -i, --ignore-garbage
              When decoding, ignore non-alphabet characters.

       --help Display this help and exit.

       --version
              Output version information and exit.

       With no FILE, or when FILE is -, read standard input.

       The data are encoded as described for the base64 alphabet in RFC  3548.
       When  decoding, the input may contain newlines in addition to the bytes
       of the formal base64 alphabet.   Use  --ignore-garbage  to  attempt  to
       recover from any other non-alphabet bytes in the encoded stream.

AUTHOR

       Written by Simon Josefsson.

REPORTING BUGS

       Report bugs to <bug-coreutils@gnu.org>.

COPYRIGHT

       Copyright (C) 2007 Free Software Foundation, Inc.
       This  is  free  software.   You may redistribute copies of it under the
       terms      of      the      GNU      General       Public       License
       <http://www.gnu.org/licenses/gpl.html>.   There  is NO WARRANTY, to the
       extent permitted by law.

SEE ALSO

       The full documentation for base64 is maintained as  a  Texinfo  manual.
       If  the  info  and base64 programs are properly installed at your site,
       the command

              info base64

       should give you access to the complete manual.