Eval as Expression

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This rule is a a combination of a Concatenate and an Expression. It is used to evaluate the values produced by one or multiple sources as expressions.

For example, if a source produces the string "DEC(2)" then this rule will produce the evaluation of that expression and produce a number of 2 digits.

The Eval as Expression rule can be usefull when reading a file that contains expression to convert then into values.

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