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TWiki Implementation Notes

Platforms and System Requirements

TWiki is written in Perl 5 and also uses some shell commands. The current implementation runs best on a Unix machine, but it is also possible on Microsoft Windows. RCS (for revision control) must be installed on the system. [ MM: Locate elsewhere and/or include one-liner and link for RCS... ]

Required Environment by Platform
Packages: Linux/Unix: Windows:
Perl 5.x 5.x
Non-standard Perl modules   MIME::Base64, Digest::SHA1 (for password generation)
Optional Perl modules Net::SMTP (or sendmail) Net::SMTP
RCS 5.7 5.7 (including diff
Other external programs ls, fgrep, egrep ls, fgrep, egrep
Web server Apache Apache, IIS
OS versions Linux, Unix... every last Win?!

Directory Structure

You can easily rename the root TWiki directory - twiki - to whatever you like by changing a configuration file value. For the simplest installation and future upgrades, you should leave the subdirectory structure exactly as is:

Directory: Files: Used for:
twiki list Start-up info
twiki/bin list Perl scripts
twiki/lib list Configuration file & main library
twiki/lib/TWiki list Perl modules
twiki/lib/TWiki/Plugins list TWikiPlugins Perl modules
twiki/pub list Public support files (ex: FileAttachments, images) and RCS histories)
twiki/data list Topic text (page content) and RCS histories;
twiki/templates list HTML templates, used by TWiki scripts

Note: about the additional directories in data, elsewhere

Files in twiki

to follow

Files in twiki/bin

File: Used for:Sorted ascending
delete (not used yet)
.htaccess.txt Authentication. Rename to .htaccess and customize if used
mailnotify Script called by cron job to notify users of changes
search Script that displays search results
upload Script that does file upload (FileAttachment)
save Script that saves a topic, called by preview
oops Script that shows an OK or oops dialog
attach Script that shows the attach file page (FileAttachment)
statistics Script to create statistics topic
edit Script to edit a topic
geturl Script to fetch URL data
preview Script to preview topic after edit
register Script to register new users
rename Script to rename/move topics and move attachments
rdiff Script to see differences of topics
testenv Script to test CGI environment variables
view Script to view a topic ( the script )
viewfile Script to view an file attachment

Files in twiki/lib

File: Used for:
TWiki.pm Main TWiki library
TWiki.cfg For configuration, used by TWiki.pm

Files in twiki/lib/TWiki

File: Used for:
Access.pm Access control
Attach.pm Attachment handling
Meta.pm Meta data in topics
Net.pm SMTP mail handling
Plugins.pm Plugin handling
Prefs.pm Preferences handling
Search.pm Search engine, used by wiki.pm
Store.pm Back-end storage, *.txt text file and *.txt,v RCS repository file handling

Files in twiki/lib/TWiki/Plugins

File: Used for:
DefaultPlugin.pm Default plugin
EmptyPlugin.pm Empty plugin, use to create your own
InterwikiPlugin.pm Refer to external Wikis and other Web sites

Files in twiki/pub

to follow

Files in twiki/data

to follow

Files in twiki/templates

to follow

-- MikeMannix - 28 Aug 2001

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Topic revision: r8 - 2001-08-29 - MikeMannix
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