htdig is indexing software similar in concept to Swish-e. It isn’t usually installed out of the box with Linux, but it should be an easily build. Htdig retrieves HTML documents using the HTTP protocol and gathers information This allows the original files to be used by htsearch during the indexing run. This class is meant to interface with the Ht:/Dig programs to be able to index and search Web pages from PHP. It features: Setup a suitable.

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Htdig site indexing and searching interface: Interface with Ht:/Dig indexing and search engine.

Anything else, where htdig would normally fall back to using HTTP, will fail. You may generate as many different configuration files as you want, possibly one configuration file for each site that you may be hosting in the same server.

There are two primary components to ht: This message comes from the pdftotext utility, when a PDF file has been truncated. This can be done using hidden input fields containing preset values, text input fields, select lists, radio buttons or checkboxes, as you see fit. It had a few problems with it: As above, this usually has to do with the default document size.

The code itself doesn’t put any real limit on the number of pages. There are a lot of them, but chances are there’s something that might fit your needs. Several people have reported that the problems go away when using the latest version of gcc. Here are some common reasons, each requiring a different solution. If you want to relocate other graphics, such as the buttons or the ht: No copyrights or restrictions seem to be applied to the downloadable files. In the words of its official website ht: Note that the above applies to the 3.

You would also need to configure the script to indicate where all of the document to text converters are installed. Thus far, the previous examples have assumed a Web site consisting of static HTML pages as the base for ht: This class provides an interface to the Ht: So, if you have duplicate documents in your search results, it’s because the same document appears under different URLs.


In the html document that links to the search, you specify which configuration file to use. This way, htsearch can use those originals while the update is going on. This most commonly happens when you run htsearch while the database is currently being rebuilt or updated by htdig. By default, Apache is usually configured with one cgi-bin directory as ScriptAlias, so all your CGI programs must go in there, or have a. Users of Cobalt Raq or Qube servers have complained of segmentation faults in htdig.

For the latter, you just need to set the restrict or exclude input parameter in the search form. See also questions 4. Here are the meanings of some of the messages you might see at this verbosity level. You should repeat a similar set of steps to configure and test doc2html. You probably need to carefully re-read and follow questions 4. Some operating systems limit files to 2 GB in size, which can become a problem with a large database.

htDig – Web Site Search

To make this class work properly, please follow these steps: Since this version switched from the GDBM database to DB2, the new database package needed hgdig be shipped with the distribution. You’d then need to reference that environment variable in header.

One of the best pages I found for htdig resources is http: The Standard for Robot Exclusion exists for a very good reason, and any well behaved indexing engine or spider should conform to it. A collection of these is htsig from Geoff Kuenning’s International Ispell Dictionaries pageand we’re slowly building a collection of word lists on our web site.


There are two attributes that control the number of matches per page and the total number of pages. This has been fixed in 3. For other alternatives, see question 4. While htsearch doesn’t currently provide a means of doing SSI on its output, or calling other CGI scripts, it does have the capability of using environment variables in templates. Most non-alphanumeric characters should be hex-encoded following the convention indexihg URL encoding e.

This is fixed in version 3. To find out what those reasons are, you need to run htdig with at least 3 “v” options, i. There are some compelling reasons to try to keep on-topic discussions on the list, though see questions 1. The next step is to integrate the ht: You have a few options:. You can build the endings database with htfuzzy endings.

As for practical limits, it depends a lot on how many pages you plan htdih indexing. You can also alter a number of other variables that control ht: This attribute is useful in certain circumstances where you never want htdig to fall back to HTTP, but enabling it by default was a very bad judgement call on Mandrake’s part. You can also use “nofollow” to prevent following of links.

This helps to reduce the size of your databases. Current releases use faster regular expression matching, indexong will speed this up by a few orders of magnitude. Additionally it is no longer reliable at extracting data.

The default values for these scoring factors, as well as information about whether they’re used by htdig or htsearch, are all listed in the configuration attributes documentation. For help with troubleshooting, see questions 5.

Of course this will require more hdig to read the larger file.