Hi all
Found something like that [expr $f1 ^ $f2].
What is "^", what it means?

If I'm not mistaken, it's the power symbol.

Maybe, but not in this case. Because result of [expr 4 ^ 2] equals 6.

thats XOR, exclusive OR, according to

http://www.crca.ucsd.edu/~yadegari/expr.html

mvh

pulsed

Thank you very much.