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Argument for a built-in function can be the result of another built-in function
I would like that the argument for a built-in function can be the result of another built-in function. For example if I was going to emulate a varying length variable then I can only get the total length of the fixed length variable, not the length of the content of the variable.
This example results in an error: "Argument for built-in function %LEN not valid. ". If &TEXT contains the value "ABCDEF" I would expect &LEN to be equal 6.
This is legal but &LEN is 200 CHGVAR VAR(&LEN) VALUE( %len(&TEXT))
So it is not possible to find out the length of the contents this way. Of course %CHECKR could be used in this example. But the RFE is about that the argument for a built-in function can be the result of another built-in function.
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