"Repeating variables" are unlike repeating fields.
Repeating variables are NOT an array, and there is absolutely no way to do what you want to do.
The existence of $$var does not say anything about the existence of $$var to $$var.
Given that problem, some people use scripted methods to declare variables. and generate their own history table.
Thanks for the explanation, Bruce!
And for relatively modest numbers of values, a return separated list can be easier to work with as you can then use Valuecount to count the values and GetValue to access specific values from the list. There are situations where that also is not ideal, but it can work for the issues described here.
Re: item 2, there is no such thing as a variable $$test["a"].
Only positive and negative integers are allowed, including zero.
Length of the integer may be up to 400 digits.
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$$test["a"] = $$test["b"] = $$test
$$test = $$test
$$var["A"] = "Mike";
$$var["B" ] = "Sam"
"A= " & $$var["A"];
"B= " & $$var["B"];
"1= " & $$var[ 1 ] ;
"0= " & $$var[ 0 ]
it sounds like you just need to know how many values you hold in your array - $$testArrayCount. (old school)