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TWiki Variables Quickstart

TWiki Variables are names enclosed in percent signs that are that are expanded to some other text when the topic is displayed. For example, %TOPIC% is expanded to TWikiVariablesQuickStart. Some variables can take arguments in curly braces - for example, %INCLUDE{"OtherTopic" ARG="arg"}%.

Many TWiki variables are built-in, and others are predefined for your convenience. TWikiVariables describes how you can also define your own TWiki Variables at the entire site, individual web, or individual topic level. Variables are fully expanded before any of the TWiki text formatting rules are applied.

Commonly used variables:

  • %TOC% : Automatically generates a table of contents based on headings in a topic - see the top of this page for an example.
  • %WEB% : The current web, is TWiki.
  • %TOPIC% : The current topic name, is TWikiVariablesQuickStart.
  • %ATTACHURL% : The attachment URL of the current topic. Example usage: If you attach a file to a topic you can refer to it as %ATTACHURL%/image.gif to show the URL of the file or the image in your text.
  • %INCLUDE{"SomeTopic"}% : Server side include, includes another topic. The current web is the default web. Example: %INCLUDE{"TWiki.SiteMap"}%
  • %SEARCH{"sushi"}% : Inline search showing the search result embedded in a topic. FormattedSearch gives you control over formatting, used to create web-based applications.
  • Documentation Graphics: There are many graphics available to use in your topics. Use %ICON{"help"}%, %ICON{"tip"}%, and %ICON{"warning"}% to get: HELP, TIP, and ALERT!, respectively.
  • See all TWiki variables.

Tip, idea To "escape" a variable, prefix it with an exclamation mark. Write: !%SOMEVARIABLE% to get: %SOMEVARIABLE%.

Related Topics: UserDocumentationCategory, TWikiVariables, TWikiVariablesSearch, TextFormattingRules

Topic revision: r5 - 2009-11-25 - TWikiContributor
 
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