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68 lines
3.4 KiB
HTML
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>Loading text into databases</title>
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<link rel="stylesheet" href="gettingStarted.css" type="text/css" />
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<meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
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<link rel="start" href="index.html" title="Berkeley DB Programmer's Reference Guide" />
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<link rel="up" href="dumpload.html" title="Chapter 23. Dumping and Reloading Databases" />
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<p>Library Version 11.2.5.2</p>
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<table width="100%" summary="Navigation header">
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<tr>
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<th colspan="3" align="center">Loading text into databases</th>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="dumpload_format.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 23.
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Dumping and Reloading Databases
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</th>
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<td width="20%" align="right"> <a accesskey="n" href="refs.html">Next</a></td>
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<div class="titlepage">
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<h2 class="title" style="clear: both"><a id="dumpload_text"></a>Loading text into databases</h2>
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<p>The <a href="../api_reference/C/db_load.html" class="olink">db_load</a> utility can be used to load text into databases. The <span class="bold"><strong>-T</strong></span> option permits nondatabase applications to create flat-text files that are then loaded into databases for fast, highly-concurrent access. For example, the following command loads the standard UNIX <code class="filename">/etc/passwd</code> file into a database, with the login name as the key item and the entire password entry as the data item:</p>
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<pre class="programlisting">awk -F: '{print $1; print $0}' < /etc/passwd |\
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sed 's/\\/\\\\/g' | db_load -T -t hash passwd.db</pre>
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<p>Note that backslash characters naturally occurring in the text are escaped to avoid interpretation as escape characters by the <a href="../api_reference/C/db_load.html" class="olink">db_load</a> utility.</p>
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<a accesskey="u" href="dumpload.html">Up</a>
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<td width="40%" align="left" valign="top">Dump output formats </td>
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<a accesskey="h" href="index.html">Home</a>
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<td width="40%" align="right" valign="top"> Chapter 24.
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Additional References
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