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\section{\module{quopri} ---
Encode and decode MIME quoted-printable data}
\declaremodule{standard}{quopri}
\modulesynopsis{Encode and decode files using the MIME
quoted-printable encoding.}
This module performs quoted-printable transport encoding and decoding,
as defined in \rfc{1521}: ``MIME (Multipurpose Internet Mail Extensions)
Part One''. The quoted-printable encoding is designed for data where
there are relatively few nonprintable characters; the base64 encoding
scheme available via the \refmodule{base64} module is more compact if there
are many such characters, as when sending a graphics file.
\indexii{quoted-printable}{encoding}
\index{MIME!quoted-printable encoding}
\begin{funcdesc}{decode}{input, output}
Decode the contents of the \var{input} file and write the resulting
decoded binary data to the \var{output} file.
\var{input} and \var{output} must either be file objects or objects that
mimic the file object interface. \var{input} will be read until
\code{\var{input}.readline()} returns an empty string.
\end{funcdesc}
\begin{funcdesc}{encode}{input, output, quotetabs}
Encode the contents of the \var{input} file and write the resulting
quoted-printable data to the \var{output} file.
\var{input} and \var{output} must either be file objects or objects that
mimic the file object interface. \var{input} will be read until
\code{\var{input}.readline()} returns an empty string.
\var{quotetabs} is a flag which controls whether to encode embedded
spaces and tabs; when true it encodes such embedded whitespace, and
when false it leaves them unencoded. Note that spaces and tabs
appearing at the end of lines are always encoded, as per \rfc{1521}.
\end{funcdesc}
\begin{funcdesc}{decodestring}{s}
Like \function{decode()}, except that it accepts a source string and
returns the corresponding decoded string.
\end{funcdesc}
\begin{funcdesc}{encodestring}{s\optional{, quotetabs}}
Like \function{encode()}, except that it accepts a source string and
returns the corresponding encoded string. \var{quotetabs} is optional
(defaulting to 0), and is passed straight through to
\function{encode()}.
\end{funcdesc}
\begin{seealso}
\seemodule{mimify}{General utilities for processing of MIME messages.}
\seemodule{base64}{Encode and decode MIME base64 data}
\end{seealso}
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