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 5.10 Variable Typing and Comparison Expressions
 ===============================================
 
      The Guide is definitive. Reality is frequently inaccurate.
      The Hitchhiker's Guide to the Galaxy
 
    Unlike other programming languages, `awk' variables do not have a
 fixed type. Instead, they can be either a number or a string, depending
 upon the value that is assigned to them.  We look now at how variables
 are typed, and how `awk' compares variables.
 

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* Variable Typing             String type versus numeric type.
* Comparison Operators        The comparison operators.
 

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