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8.148. MIME::Base64
Provides functions to encode and decode
strings into the Base64 encoding scheme as specified in RFC 2045
(dealing with MIME, or Multipurpose Internet Mail Extensions). Base64
encoding was designed to represent data in octets in an encoded form;
all data is encoded using a 65-character subset, which is comprised
of A-Z, a-z,
0-9+, /, and
=. MIME::Base64 ships with the Perl source kit as
of 5.8.
For example:#!/usr/local/bin/perl -w
use MIME::Base64;
my $stone = 'purplebarneystone';
my $b64 = encode_base64($stone);
print "$b64\n";
MIME::Base64 implements the following functions, both of which are
exported.
| decode_base64 |
decode_base64(string)
Unpacks the base64-encoded string and
returns the decoded data. In addition,
decode_base64 ignores any character
that's not part of the recognized 65-character
base64 subset.
| encode_base64 |
encode_base64(string, [end_of_line])
Base64-encodes string with the optional
end_of_line argument. To base64-encode a
JPEG image that lives in a file, you should specify
end_of_line, since
encode_base64 returns base64-encoded content
that's broken down into 76 characters per line. If
you do not want the 76-character breaks to be imposed on you, set
end_of_line to an empty string
(").
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| 8.147. Math::Trig |  | 8.149. MIME::QuotedPrint |
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