projects / OpenSPARC-T2-DV / blame
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| 55 | <H1><A NAME="SECTION0091200000000000000000"> | |
| 56 | 7.12 <tt class="module">whichdb</tt> -- | |
| 57 | Guess which DBM module created a database</A> | |
| 58 | </H1> | |
| 59 | ||
| 60 | <P> | |
| 61 | <A NAME="module-whichdb"></A> | |
| 62 | ||
| 63 | <P> | |
| 64 | The single function in this module attempts to guess which of the | |
| 65 | several simple database modules available-<tt class="module"><a href="module-dbm.html">dbm</a></tt>, | |
| 66 | <tt class="module"><a href="module-gdbm.html">gdbm</a></tt>, or <tt class="module"><a href="module-dbhash.html">dbhash</a></tt>-should be used to open a | |
| 67 | given file. | |
| 68 | ||
| 69 | <P> | |
| 70 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> | |
| 71 | <td><nobr><b><tt id='l2h-2795' xml:id='l2h-2795' class="function">whichdb</tt></b>(</nobr></td> | |
| 72 | <td><var>filename</var>)</td></tr></table></dt> | |
| 73 | <dd> | |
| 74 | Returns one of the following values: <code>None</code> if the file can't be | |
| 75 | opened because it's unreadable or doesn't exist; the empty string | |
| 76 | (<code>''</code>) if the file's format can't be guessed; or a string | |
| 77 | containing the required module name, such as <code>'dbm'</code> or | |
| 78 | <code>'gdbm'</code>. | |
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| 105 | <div class='online-navigation'> | |
| 106 | <b class="navlabel">Previous:</b> | |
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| 115 | <span class="release-info">Release 2.4.2, documentation updated on 28 September 2005.</span> | |
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