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| 1 | \section{\module{whichdb} ---
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| 2 | Guess which DBM module created a database}
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| 3 |
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| 4 | \declaremodule{standard}{whichdb}
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| 5 | \modulesynopsis{Guess which DBM-style module created a given database.}
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| 6 |
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| 7 |
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| 8 | The single function in this module attempts to guess which of the
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| 9 | several simple database modules available--\refmodule{dbm},
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| 10 | \refmodule{gdbm}, or \refmodule{dbhash}--should be used to open a
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| 11 | given file.
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| 12 |
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| 13 | \begin{funcdesc}{whichdb}{filename}
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| 14 | Returns one of the following values: \code{None} if the file can't be
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| 15 | opened because it's unreadable or doesn't exist; the empty string
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| 16 | (\code{''}) if the file's format can't be guessed; or a string
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| 17 | containing the required module name, such as \code{'dbm'} or
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| 18 | \code{'gdbm'}.
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| 19 | \end{funcdesc}
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| 20 |
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