9000a4b179
* Fixed wrong link to filetypes workshop. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27932 a95241bf-73f2-0310-859d-f6bbb57e9c96
126 lines
3.7 KiB
HTML
126 lines
3.7 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<html>
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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>The Index</title>
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<link rel="stylesheet" type="text/css" href="welcome.css">
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</head>
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<body lang="en-US">
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<div class="logo">
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<img src="welcome-images/logo.png" alt="logo">
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<div class="title">The Index</div>
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</div>
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<div class="topnav">
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<p>
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<a href="welcome.html">Welcome</a>
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Previous: <a href="attributes.html">File Attributes</a>
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Next: <a href="queries.html">Queries</a>
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</p>
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</div>
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<div class="content">
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<h2>The Index</h2>
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<p>
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<a href="attributes.html">Attributes</a> and <a href="queries.html">Queries</a> are key features of Haiku. While attributes are useful on their own, to display additional information on a file, for a query on them, they need to be indexed. It puts them into a lookup table, which in turn makes queries lightning fast.<br>
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The index is part of the filesystem and is kept for every volume/partition separately.
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</p>
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<h3>Indexing commands in Terminal</h3>
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<p>There are several commands to manage the index:
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<ul>
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<li><b>lsindex</b> - Displays the indexed attributes on the current volume/partition.
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<p>These are the attributes that are indexed by default:<br>
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<pre>58 ~ ->lsindex
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BEOS:APP_SIG
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MAIL:account
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MAIL:cc
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MAIL:chain
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MAIL:draft
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MAIL:flags
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MAIL:from
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MAIL:name
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MAIL:pending_chain
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MAIL:priority
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MAIL:reply
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MAIL:status
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MAIL:subject
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MAIL:thread
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MAIL:to
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MAIL:when
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META:address
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META:city
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META:company
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META:country
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META:email
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META:fax
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META:group
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META:hphone
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META:name
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META:nickname
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META:state
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META:url
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META:wphone
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META:zip
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_signature
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_status
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_trk/qrylastchange
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_trk/recentQuery
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be:deskbar_item_status
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last_modified
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name
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size
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</pre></p></li>
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<li><b>mkindex</b> - Adds an attribute to the index of a volume/partition.
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<pre>Usage: mkindex [options] <attribute>
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Creates a new index for the specified attribute.
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-d, --volume=PATH a path on the volume to which the index will be added,
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defaults to current volume.
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-t, --type=TYPE the type of the attribute being indexed. One of "int",
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"llong", "string", "float", or "double".
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Defaults to "string".
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--copy-from path to volume to copy the indexes from.
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-v, --verbose print information about the index being created
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</pre>
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<p><i><b>Note:</b> Only <b>new</b> files with that attribute come automatically into the index!</i><br>
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Existing files have to be added manually by copying them and deleting the originals after that. Alternatively you can use the tool <a href="http://www.bebits.com/app/2033" rel="nofollow">reindex</a>.
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</p>
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</li>
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<li><b>rmindex</b> - Removes an attribute from the index of a volume/partition.
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<pre>Usage: rmindex [OPTION]... INDEX_NAME
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Removes the index named INDEX_NAME from a disk volume. Once this has been
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done, it will no longer be possible to use the query system to search for
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files with the INDEX_NAME attribute.
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-d, --volume=PATH a path on the volume from which the index will be
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removed
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-h, --help display this help and exit
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-p, --pattern INDEX_NAME is a pattern
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-v, --verbose print information about the index being removed
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INDEX_NAME is the name of a file attribute.
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If no volume is specified, the volume of the current directory is assumed.</pre>
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</ul>
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</div>
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<div class="bottomnav">
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<p>
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<a href="welcome.html">Welcome</a>
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Previous: <a href="attributes.html">File Attributes</a>
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Next: <a href="queries.html">Queries</a>
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</p>
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</div>
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</body>
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</html>
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