1997-04-03 22:41:49 +00:00
|
|
|
\section{Standard Module \sectcode{whichdb}}
|
1997-07-17 16:34:52 +00:00
|
|
|
\label{module-whichdb}
|
1997-04-03 22:41:49 +00:00
|
|
|
\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}
|
|
|
|
|
|
