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\section{\module{uu} ---
Encode and decode uuencode files}
\declaremodule{standard}{uu}
\modulesynopsis{Encode and decode files in uuencode format.}
\moduleauthor{Lance Ellinghouse}{}
This module encodes and decodes files in uuencode format, allowing
arbitrary binary data to be transferred over ASCII-only connections.
Wherever a file argument is expected, the methods accept a file-like
object. For backwards compatibility, a string containing a pathname
is also accepted, and the corresponding file will be opened for
reading and writing; the pathname \code{'-'} is understood to mean the
standard input or output. However, this interface is deprecated; it's
better for the caller to open the file itself, and be sure that, when
required, the mode is \code{'rb'} or \code{'wb'} on Windows.
This code was contributed by Lance Ellinghouse, and modified by Jack
Jansen.
\index{Jansen, Jack}
\index{Ellinghouse, Lance}
The \module{uu} module defines the following functions:
\begin{funcdesc}{encode}{in_file, out_file\optional{, name\optional{, mode}}}
Uuencode file \var{in_file} into file \var{out_file}. The uuencoded
file will have the header specifying \var{name} and \var{mode} as
the defaults for the results of decoding the file. The default
defaults are taken from \var{in_file}, or \code{'-'} and \code{0666}
respectively.
\end{funcdesc}
\begin{funcdesc}{decode}{in_file\optional{, out_file\optional{, mode}}}
This call decodes uuencoded file \var{in_file} placing the result on
file \var{out_file}. If \var{out_file} is a pathname, \var{mode} is
used to set the permission bits if the file must be
created. Defaults for \var{out_file} and \var{mode} are taken from
the uuencode header. However, if the file specified in the header
already exists, a \exception{uu.Error} is raised.
\end{funcdesc}
\begin{excclassdesc}{Error}{}
Subclass of \exception{Exception}, this can be raised by
\function{uu.decode()} under various situations, such as described
above, but also including a badly formated header, or truncated
input file.
\end{excclassdesc}
\begin{seealso}
\seemodule{binascii}{Support module containing \ASCII-to-binary
and binary-to-\ASCII{} conversions.}
\end{seealso}
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