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clips:clip6bos [2010/01/04 20:47] (current)
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 +<​HTML>​
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 +<META HTTP-EQUIV="​Content-Type"​ Content="​text/​html;​ charset=Windows-1252">​
 +<​TITLE>​DEFGLOBAL</​TITLE>​
 +</​HEAD>​
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 +<BODY BGCOLOR="#​FFFFFF"​ TEXT="#​000000">​
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 +<OBJECT TYPE="​application/​x-oleobject"​ CLASSID="​clsid:​1e2a7bd0-dab9-11d0-b93a-00c04fc99f9e">​
 + <PARAM NAME="​Keyword"​ VALUE="​DEFGLOBAL">​
 +</​OBJECT>​
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 +<​H1><​A NAME="​defglobal"></​A>​DEFGLOBAL</​H1>​
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 +<​P></​P>​
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 +<​P>​With the defglobal construct, global variables can be defined, set, and </P>
 +
 +<​P>​accessed within the CLIPS environment. ​ Global variables can be accessed </P>
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 +<P>as part of the pattern matching process, but changing them does not invoke </P>
 +
 +<​P>​the pattern matching process. ​ The bind function is used to set the value </P>
 +
 +<P>of global variables.</​P>​
 +
 +<​P>​The syntax of the defglobal construct is:</​P>​
 +
 +<​PRE><​CODE>&​lt;​defglobal-construct&​gt;​ ::= (defglobal [&​lt;​defmodule-name&​gt;​] ​
 +                             &​lt;​global-assignment&​gt;​*)
 +
 +&​lt;​global-assignment&​gt; ​  ::= &​lt;​global-variable&​gt;​ = &​lt;​expression&​gt;​
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 +&​lt;​global-variable&​gt; ​    ::= ?​*&​lt;​symbol&​gt;​*</​CODE></​PRE>​
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 +</​BODY>​
 +</​HTML>​
  
 
 
clips/clip6bos.txt ยท Last modified: 2010/01/04 20:47 (external edit)
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