TWiki expands the following variables enclosed in % percent signs:

Variable: Expanded to:
%WIKIHOMEURL% The base script URL of TWiki, link of Home icon in upper left corner is http://TWiki.org/
%SCRIPTURL% The base script URL of TWiki, is http://www.netfrag.org/twiki/bin
%PUBURL% The base public URL of TWiki, is http://www.netfrag.org/twiki/pub
%ATTACHURL% The attachment URL of the current topic, is http://www.netfrag.org/twiki/pub/TWiki/TWikiVariables
Example: If you attach a file you can refer to it as %ATTACHURL%/image.gif
%WIKIWEBMASTER% The email address of the Wiki webmaster, is webmaster@netfrag.org
%WIKITOOLNAME% Name of wiki tool, is netfrag.org
%WIKIVERSION% Wiki tool version, is 04 Sep 2004 $Rev: 1742 $
%USERNAME% Your login username, is guest
%WIKIUSERNAME% Your Wiki username, if defined in TWikiUsers?. Same as %USERNAME% if not defined. Is Main.TWikiGuest
%WEB% The current web, is TWiki
%TOPIC% The current topic name, is TWikiVariables
%DATE% Todays date, is 29 Apr 2024
%INCLUDE:"file.ext"% Server side include, includes the text of a file. The default directory is the current Wiki web. Example: %INCLUDE:"../Know/TopicName.txt"%