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It's all very well to say you will use integer arithmetic internally
But you really can't avoid fractions
The input numbers might be fractions
Holman's original version:
% echo 1.1 1.9 2.1 2.9 4.1 4.9 | spark
./spark: line 86: 4.9 / 7 : syntax error: invalid arithmetic operator
(error token is ".9 / 7 ")
My version is better:
% echo 1.1 1.9 2.1 2.9 4.1 4.9 |./spark
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