htdump



htdump(1)                                                            htdump(1)




NAME

       htdump - write out an ASCII-text version of the document database


SYNOPSIS

       htdump [options]


DESCRIPTION

       Htdump writes out an ASCII-text version of the document database in the
       same form as the -t option of htdig.


OPTIONS

       -a     Use alternate work  files.  Tells  htdump  to  append  .work  to
              database  files,  allowing  it  to  operate  on  a second set of
              databases.

       -c configfile
              Use the specified configfile instead of the default.

       -v     Verbose mode. This doesn’t have much effect.


File Formats

       Document Database
              Each line in the file starts with the document id followed by  a
              list  of  fieldname : value separated by tabs. The fields always
              appear in the order listed below:

       u      URL

       t      Title

       a      State (0 = normal, 1 = not found, 2 = not indexed, 3 = obsolete)

       m      Last modification time as reported by the server

       s      Size in bytes

       H      Excerpt

       h      Meta description

       l      Time of last retrieval

       L      Count of the links in the document (outgoing links)

       b      Count of the links to the document (incoming links or backlinks)

       c      HopCount of this document

       g      Signature of the document used for duplicate-detection

       e      E-mail address to use for a notification message from htnotify

       n      Date to send out a notification e-mail message

       S      Subject for a notification e-mail message

       d      The  text  of  links  pointing  to  this  document.   (e.g.   <a
              href="docURL">description</a>)

       A      Anchors in the document (i.e. <A NAME=...)

       Word Database
              While  htdump  and  htload  don’t  deal  with  the word database
              directly, it’s worth mentioning it here because you need to deal
              with  it  when  copying  the  ASCII databases from one system to
              another. The initial word database produced by htdig is  already
              in  ASCII  format,  and  a  binary  version of it is produced by
              htmerge, for use by htsearch. So, when you copy over  the  ASCII
              version of the document database produced by htdump, you need to
              copy over the wordlist as well, then  run  htload  to  make  the
              binary  document database on the target system, followed by run-
              ning htmerge to make the word index.

       Each line in the word list file starts with the word
              followed by a list of fieldname : value separated by  tabs.  The
              fields  always  appear  in the order listed below, with the last
              two being optional:

       i      Document ID

       l      Location of word in document (1 to 1000)

       w      Weight of word based on scoring factors

       c      Count of word’s appearances in document, if more than 1

       a      Anchor number if word occurred after a named anchor


FILES

       /etc/htdig/htdig.conf
              The default configuration file.

       /var/lib/htdig/db.docs
              The default ASCII document database file.

       /var/lib/htdig/db.wordlist
              The default ASCII word database file.


SEE ALSO

       Please  refer  to  the  HTML   pages   (in   the   htdig-doc   package)
       /usr/share/doc/htdig-doc/html/index.html  and the manual pages htdig(1)
       , and htload(1) for a detailed description of  ht://Dig  and  its  com-
       mands.


AUTHOR

       This manual page was written by Stijn de Bekker, based on the HTML doc-
       umentation of ht://Dig.



                                15 October 2001                      htdump(1)

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