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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In particular, take a look at the list of configuration attributes, particularly the list by name and by program. For an explanation of what each indezing does, visit the ht: If htsearch displays nothing at all, you may have both problems.

A number of other alternatives also exist to ht: This made the potential patch almost as large as the regular distribution. No copyrights or restrictions seem to be applied to the downloadable files.

htdig(1) – Linux man page

A beta version of the 3. External indwxing scripts tend to be hacks that don’t recognize a lot of the parsing attributes in your htdig. Note that you will need a C compiler and a running Web server in order to use the software this tutorial uses GCC 3. Setting the cache as large as possible provides considerable performance improvement. There are many, many attributes that can be set to control almost all aspects of indexing, searching, customization of output and internationalization.

You’ll likely need to rebuild your database from scratch if it’s corrupted. Another slightly less serious, but still troubling ineexing hole exists in 3. This program uses the -T option as a record separator rather than an alternate temporary indexinng. Other web servers will have similar features, which you should look for in your server documentation.


The other technique you can use, if you want the directory index htdif be made by the web server, is to get the server to insert the robots meta tag into the index page it generates. In any case, you should check your web server’s error log for any information related to htsearch’s failure.

This function can be called as often as you want, eventually using different configuration files, if you want, to index different sites. An alternative approach is to have a cron job that periodically regenerates a different header. Even at this site something around 12, pages, give or takeSwish-e is starting to gasp a bit.

This is something that htsig probably will schedule to kndexing done once a day on low traffic hours for each of your sites.

We’re trying to get consistent binary distributions for popular platforms. Naturally this essentially doubles the disk usage.

The config file is selected by the config input field in the search form. Once your site is indexed at least once, you can start using the class to provide an interface to search your site pages.

Getting it going

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. Other input parameters may similarly pose a problem. If it’s finding matches, it’s because it found the matching words in db. 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.


Enter a search string into the form field, and ht: The default page presentation is compiled into the CGI. There are a couple of important things to note here. Finally, if you’ve exhausted all the online documentation, there’s the htdig-general mailing list. However, some users still prefer to stick with acroread, as it works well for them, and is a little easier to set up if you’ve already installed Acrobat.

If you want to try working within the new standard, you may find it helpful to know that recent versions of CGI. This bug is fixed in version 3.

You can use the “acroread” program to index PDF files, but this is no longer recommended. Needless to say, you can customize this output, and even the manner in which the search is carried out. You can tell ht: The next step is to configure ht: This command may actually take days to complete, for releases older than 3. Geoff and Gilles are currently the maintainers of ht: You can also try running the program directly under the debugger, rather than attempting a post-mortem analysis of the core dump.

If you are running 3.

The Analytical Engine has no pretentions whatever to originate anything. You can specify multiple URLs here.