WWW Search Engine Software for OpenVMS

ht://Dig Copyright © 1995-2002 The ht://Dig Group

The ht://Dig system is a complete world wide web indexing and searching system for a small domain or intranet. This system is not meant to replace the need for powerful internet-wide search systems like Lycos, Infoseek, Webcrawler and AltaVista. Instead it is meant to cover the search needs for a single company, campus, or even a particular sub section of a web site.
As opposed to some WAIS or web server based search engines, ht://Dig can span several web servers at a site. The type of these different web servers doesn't matter as long as they understand the HTTP 1.0 protocol.

This is my port of ht://Dig version 3.1.6 to OpenVMS. It should compile okay on VAXen, but unfortunately I don't have the environment to build it. So for now binaries are available only for Alpha and Integrity. Sorry. If you need something for OpenVMS/VAX, perhaps SWISH- E (binaries for OpenVMS are available on the WASD homepage) is the right thing for you.

Requirements

• OpenVMS/Alpha 7.2 or later (the binaries were built under 7.2-2)
  or
  OpenVMS I64 8.2-1 or later
• TCP/IP Services, or a good emulation of these (e.g. Process Software's TCPware / MultiNet)
• a web server that can run executables, and that conformes to the CGI standard (CSWS, WASD, OSU, Purveyor, ... - any will do)
• some to lots of free disk space, depending on the size of the site(s) being indexed

Download

The current version is 3.1.6 Release 2:

• OpenVMS I64 binaries - Field test version - as a PCSI kit ZIP file (13241 blocks)
  • via HTTP
  • via anonymous FTP
  The binaries are built against HP SSL 1.2.
• OpenVMS Alpha binaries as a self-extracting PCSI kit ZIP file (4150 blocks)
  • via HTTP
  • via anonymous FTP
  For legal reasons, OpenSSL support is not compiled into these images.
• OpenVMS Alpha binaries as a self-extracting ZIP file containing a PCSI upgrade kit against the 3.1.6 Release 1 kit (2912 blocks)
  • via HTTP
  • via anonymous FTP
  For legal reasons, OpenSSL support is not compiled into these images.
• The source files that the Alpha binaries were built with, ZIPped (9106 blocks)
  • via HTTP
  • via anonymous FTP
• A GNU diff file against the 3.1.6 Release 1 sources (109 blocks)
  • via HTTP
  • via anonymous FTP

• OpenVMS Alpha binaries as a self-extracting PCSI kit ZIP file (4099 blocks)
  • via HTTP
  • via anonymous FTP
• The source files, ZIPped (9635 blocks)
  • via HTTP
  • via anonymous FTP

• A quick-start installation guide (really the FREEWARE_README.TXT file accompanying my submission of ht://Dig Release 2 to the OpenVMS Freeware CD-ROM v6)
• PowerPoint slides of a talk given at the 25th german DECUS symposium (in german)
• An example configuration snippet how to setup CSWS to use ht://Dig
• An example configuration snippet how to setup WASD to use ht://Dig
• A ZIP file (2132 blocks) containing OpenVMS Alpha binaries for external parsers for PDF (pdftotext, pdfinfo from the xpdf package) and Microsoft Word (antiword) documents. This is meant to be unpacked in HTDIG_ROOT:[000000] and made available to the process running HTDIG.EXE. The .CONF file statement then needed to make ht://Dig aware of these is:

                external_parsers: \
                  application/pdf->text/html    @htdig_root:[utils]convpdf.com \
                  application/msword->text/html @htdig_root:[utils]convdoc.com
                

  A port of xlhtml to read Excel and Powerpoint files is on the way.

Caveats & Bugs

None currently known.

Changes in Release 2

• Fixed external_parser processing
• support for cookies
• new template variable EXECUTIONTIME
• various bugfixes (see release notes for details)
• support for https-URLs via OpenSSL (source distribution only)

Links

• The ht://Dig homepage
• The GNU General Public License v2, under which ht://Dig is licensed

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