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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

  <head>

    <title>Recoll Index format</title>

  </head>



  <body>

    <h1>Recoll index format details</h1>



    <p>Terms are not stemmed before being stored. They are turned to

      all minuscule letters with no accents.</p>



    <p>Special prefixed terms:</p>

    <ul>

      <li>Ddate: modification date of file, like YYYYMMDD</li>



      <li>Mmonth: YYYYMM</li>



      <li>Ppathhash truncated/hashed version of file path. For

	single-document files, and for the file part of a

	multi-document file. Used for up-to-date checks and for

	retrieving a document by path. omega uses U for the equivalent

	term used for up to date checks.</li>



      <li>Qpathhash+ipath same + internal path for documents inside

	multi-document files. Used to set the existence flag for

	subdocs when a multi-document file is found to be up to date,

	or for deleting all subdocs for a file, or for retrieving a

	document by path+ipath. No real omega equivalent. Compatible

	with Q definition in termprefixes.txt: unique identifier.</li>



      <li>Tmimetype: document mime type.</li>



      <li>Wweak: 10 days period (not used any more by omega)</li>



      <li>Yyear YYYY</li>



      <li>XSFNfilename utf8 version of file name. Used for specific

	file name searches</li>



    </ul>



    <p>Omega prefixes with no equivalents in Recoll: P, R, U</p>

    <p>None of the "date" terms are currently used by recoll queries</p>



    <p>Values: Recoll currently stores no document values.</p>



    <p>Document data record format<p>

    <ul>

      <li>url= Full url. Always file://abspath. The path is not

	encoded to utf-8, this is the system file name ,usable as an

	argument to open(). (omega: sort of same)</li>

      <li>mtype= mime type (omega: type)</li>

      <li>fmtime= file modification date (omega: modtime)</li>

      <li>dmtime= document modification date (omega: none)</li>

      <li>origcharset= character set the text was converted from

	(omega: none)</li>

      <li>fbytes= file size in bytes (omega: size)</li>

      <li>dbytes= document size in bytes (omega: none)</li>

      <li>ipath= internal path for docs in multidoc files. (omega: none)</li>

      <li>caption= title of document, utf8 (omega: same)</li>

      <li>keywords= key words, utf8 (omega: none)</li>

      <li>abstract= document abstract, utf8 (omega: sample)</li>

    </ul>



    <hr>

    <address><a href="mailto:jean-francois.dockes@wanadoo.fr">Jean-Francois Dockes</a></address>

<!-- Created: Thu Dec  7 13:07:40 CET 2006 -->

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Last modified: Thu Dec  7 14:19:02 CET 2006

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  </body>

</html>