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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It uses pdftotext to parse PDF documents, then processes the text into external parser records. To use multiple databases, you will need a config file for each database. You can simply add the directory name to your robots. Thanks to Peter Asemann for this tip. Unfortunately, a small bug crept into the code so that even if you don’t set any of the date range input parameters startyear, endyear, etc.

It also circumvents the archiving mechanism of the mailing list, so not only do subscribers not see these private messages and replies, but future users who may run into the exact same problems won’t see them. Most annoyingly, it puts the onus on an individual to answer, even if that individual is not the best or most qualified person to answer. To avoid down time, use the “-a” command line option: You can use this example script as base for your customized site search page.

You have to set up different configuration files for htdig and htsearch, to define a different setting of this attribute for each one.

You would also need to configure the script to indicate where all of the document to text converters are installed. There are a couple of important things to note here. Those options set the file names of the output results templates to: If you want to update an alternate copy of the database, see the contributed rundig.

As of version 3. The easiest way to get rotating banners in htsearch is to replace htsearch with a wrapper script that sets an environment variable to the banner content, or whatever dynamically generated content you want. The config file is selected by the config input field in the search form. There are some compelling reasons to try to keep on-topic discussions on the list, though see questions 1. Anything else, where htdig would normally fall back to using HTTP, will fail. For the restrict parameter, this is a problem, because htsearch won’t likely find any URLs with two spaces in them.


Frequently Asked Questions

This was a security hole in 3. There’s little doubt that htdig is indesing powerful than Swish-e and can handle larger data sets. Note that you will need a C compiler and a running Web server in order to use the software this tutorial uses GCC 3.

The Dig function calls Ht: This too can be done with an external parser or converterin combination with the pdftotext program that is part of the xpdf 0. A quick fix for the problem is to change the first line of rundig to “! This should be fixed in versions from 3. One increasingly common problem is Apache configurations which expect all CGI scripts to be Perl, rather than binary executables or other scripts, so they use “perl-handler” rather than “cgi-handler”.

Needs lots of disk space. If htdig seems to be missing some documents or entire directory sub-trees of your site, it is most likely because there are no HTML links to these documents or directories.

Both search and result pages can be extensively customized in the ht: For help with troubleshooting, see questions 5. Most of the time, this is caused by either not setting or incorrectly setting the locale attribute. As above, this usually has to do with the default document size. A number of other alternatives also exist to ht: Since this version switched from the GDBM database to DB2, the new database package needed to be shipped with the distribution.

There are two primary components to ht: Options to the program can be given on gdb’s “run” command, and after the program is suspended on fault, you can use hteig “bt” command. Also have a look at our collection of Contributed Guides for help on things like HTML forms and CGI, tutorials on installing, configuring, using, and internationalizing ht: If you want to relocate other graphics, such as the buttons or the ht: If you wish to keep secure and non-secure areas on your site separate, and avoid having unauthorized users seeing documents from secure areas in their search results, that takes a bit more effort.


Every time a search is executed, this database is scanned for matches to the search string and a list of results retrieved. Note that the above applies to the 3. The GenerateConfiguration function merges your custom options with some options that the class needs to set to make the search results page parsing work properly. We do not advocate using acroread any longer because gtdig is a proprietary product.

Naturally this essentially doubles the disk usage. The Indxing of Leipzig has published word lists containing theand most often used words in English, German, French and Dutch.

This program uses the -T option as a record separator rather than an alternate temporary directory. Often this is because the databases are corrupt. The University at Albany has a good description of how to use the restrict or exclude htdih parameters: The solution is to use the BSD library’s own rx code instead, using version 3.

See below for an example of doc2html. If you have enough disk space for htdlg copies of the index database, use -a with the htdig and htmerge processes.

Debian — Details of package htdig in stretch

In this case, you may want to specify different directories for the database files that will contain each site index. This is due to a bug in the Makefile.

See also questions 4.