Conditional Executing of Commands | 
 
  condition heading  
  condition test  
  commands at condition fulfillment  
  commands at condition non-fulfillment  
 
The conditional executing of commands serves to branch the program depending on a condition validity. In the condition test a logical term can be quoted, which will be evaluated during program execution. If the logic term holds, a group of commands situated in the branch will be executed to fulfill the condition. Otherwise a group of commands situated in the branch for condition non-fulfillment will be executed.
 
Example of using:
 
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