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115 lines
4.3 KiB
XML
115 lines
4.3 KiB
XML
<?xml version='1.0'?>
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<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<article>
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<section>
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<title>udevinfo</title>
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<refentry>
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<refentryinfo>
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<title>udevinfo</title>
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<date>August 2005</date>
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<productname>udev</productname>
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</refentryinfo>
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<refmeta>
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<refentrytitle>udevinfo</refentrytitle>
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<manvolnum>8</manvolnum>
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<refmiscinfo class="version"></refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>udevinfo</refname><refpurpose>query device information from the udev database</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>udevinfo</command>
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<arg><option>--query=<replaceable>query-type</replaceable></option></arg>
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<arg><option>--path=<replaceable>devpath</replaceable></option></arg>
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<arg><option>--name=<replaceable>node</replaceable></option></arg>
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<arg><option>--root</option></arg>
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<arg><option>--attribute-walk</option></arg>
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<arg><option>--export-db</option></arg>
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<arg><option>--version</option></arg>
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<arg><option>--help</option></arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1><title>DESCRIPTION</title>
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<para>udevinfo queries the udev database for device information
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stored in the udev database. It can also query the properties
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of a device from its sysfs representation to help creating udev
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rules that match this device.</para>
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</refsect1>
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<refsect1><title>OPTIONS</title>
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<variablelist>
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<varlistentry>
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<term><option>--query=<replaceable>type</replaceable></option></term>
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<listitem>
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<para>Query the database for specified type of device data. It needs the
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<option>--path</option> or <option>--name</option> to identify the specified
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device. Valid queries are:
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<command>name</command>, <command>symlink</command>, <command>path</command>,
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<command>env</command>, <command>all</command>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--path=<replaceable>devpath</replaceable></option></term>
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<listitem>
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<para>The devpath of the device to query.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--name=<replaceable>node</replaceable></option></term>
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<listitem>
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<para>The name of the device node or a symlink to query</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--root</option></term>
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<listitem>
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<para>The udev root directory: <filename>/dev</filename>. If used in conjunction
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with a <command>name</command> or <command>symlink</command> query, the
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query returns the absolute path including the root directory.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--attribute-walk</option></term>
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<listitem>
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<para>Print all sysfs properties of the specified device that can be used
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in udev rules to match the specified device. It prints all devices
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along the chain, up to the root of sysfs that can be used in udev rules.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--export</option></term>
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<listitem>
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<para>Export the content of the udev database.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--help</option></term>
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<listitem>
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<para>Print help text.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1><title>AUTHOR</title>
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<para>Written by Kay Sievers <email>kay.sievers@vrfy.org</email>.</para>
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</refsect1>
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<refsect1>
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<title>SEE ALSO</title>
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<para><citerefentry>
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<refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum>
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</citerefentry></para>
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</refsect1>
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</refentry>
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</section>
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</article>
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