If-Else

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If-Else

If-Else

If using for branching statements in RVL.

Basic branch statement has 2 parts: 1st row is If flow with Condition:

If

Flow	Type	...	Action	ParamName	...
If	Param			param1
	Condition		condition statement
	Param			param2
	*some*	*actions*	go	*here*
End

Actions after If condition and up to End statement are executed when condition is truth.

If-Else

If-Else statement is similar to If with one extension. It contains an alternative Else section that is executed when If condition is false:

Flow	Type	...	Action	ParamName	...
If	Param			param1
	Condition		condition statement
	Param			param2
	*some*	*actions*	go	*here*
Else
	*other*	*actions*	go	*here*
End

If-ElseIf

ElseIf is a way to establish a chain of conditions. Each condition is evaluated with previous is false.

If-Else statement is similar to If with one extension. It contains an alternative Else section that is executed when If condition is false:

Flow	Type	...	Action	ParamName	...
If	Param			param1
	Condition		condition statement
	Param			param2
	*some*	*actions*	go	*here*
ElseIf	Param			param1
	Condition		condition statement
	Param			param2
	*other*	*actions*	go	*here*
End

There may be many ElseIf` blocks:

Flow	Type	...	Action	ParamName	...
If	Param			param1
	Condition		condition statement
	Param			param2
	*some*	*actions*	go	*here*
ElseIf	Param			param1
	Condition		condition statement
	Param			param2
	*other*	*actions*	go	*here*
ElseIf	Param			param1
	Condition		condition statement
	Param			param2
	*other*	*actions*	go	*here*
End

And there might also be an Else block in the end:

Flow	Type	...	Action	ParamName	...
If	Param			param1
	Condition		condition statement
	Param			param2
	*some*	*actions*	go	*here*
ElseIf	Param			param1
	Condition		condition statement
	Param			param2
	*other*	*actions*	go	*here*
ElseIf	Param			param1
	Condition		condition statement
	Param			param2
	*other*	*actions*	go	*here*
Else
	*other*	*actions*	go	*here*
End

Examples

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