Function Calling (The GNU Awk User’s Guide)
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Gawk/docs/latest/Function-Calling
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9.2.3 Calling User-Defined Functions
Calling a function means causing the function to run and do its job. A function call is an expression and its value is the value returned by the function.
• Calling A Function | Don’t use spaces. | |
• Variable Scope | Controlling variable scope. | |
• Pass By Value/Reference | Passing parameters. | |
• Function Caveats | Other points to know about functions. |