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https://github.com/python/cpython
09 December 2020, 11:06:31 UTC
Revision 77b300895c991062074fab84792cea4d5f4f627b authored by Guido van Rossum on 14 August 1997, 20:13:46 UTC, committed by Guido van Rossum on 14 August 1997, 20:13:46 UTC 
Add XXX warning about fishy line
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Tip revision: 77b300895c991062074fab84792cea4d5f4f627b authored by Guido van Rossum on 14 August 1997, 20:13:46 UTC
Add XXX warning about fishy line
Tip revision: 77b3008
libwhichdb.tex 
\section{Standard Module \sectcode{whichdb}}
\label{module-whichdb}
\stmodindex{whichdb}

The single function in this module attempts to guess which of the
several simple database modules available--dbm, gdbm, or
dbhash--should be used to open a given file.

\renewcommand{\indexsubitem}{(in module whichdb)}
\begin{funcdesc}{whichdb}{filename}
Returns one of the following values: \code{None} if the file can't be
opened because it's unreadable or doesn't exist; the empty string
(\code{""}) if the file's format can't be guessed; or a string
containing the required module name, such as \code{"dbm"} or
\code{"gdbm"}.
\end{funcdesc}
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