1998-08-10 19:42:37 +00:00
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\section{\module{whichdb} ---
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1999-02-20 00:14:17 +00:00
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Guess which DBM module created a database}
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1998-07-23 17:59:49 +00:00
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1999-02-20 00:14:17 +00:00
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\declaremodule{standard}{whichdb}
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1998-07-23 17:59:49 +00:00
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\modulesynopsis{Guess which DBM-style module created a given database.}
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1997-04-03 22:41:49 +00:00
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The single function in this module attempts to guess which of the
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several simple database modules available--dbm, gdbm, or
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dbhash--should be used to open a given file.
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\begin{funcdesc}{whichdb}{filename}
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Returns one of the following values: \code{None} if the file can't be
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opened because it's unreadable or doesn't exist; the empty string
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(\code{""}) if the file's format can't be guessed; or a string
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containing the required module name, such as \code{"dbm"} or
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\code{"gdbm"}.
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\end{funcdesc}
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