Is there an "OR" function?

Hello,

I would like to ask you for help in finding an "or" function. I need an "or" function for my experiment. I need to use it like this:

while $icon5 == @1 OR $icon5 == $icon1 OR  $icon5 ==  $icon2 OR  $icon5 ==  $icon3 OR  $icon5 ==  $icon4
set $icon5 random 1 9

while-end

This is one of few randomization elements in my experiment. I need to randomize stimuli, but I also need them to not repeat. Because of that I need to generate random number from 1 to 9 until they are unique in set of numbers and 1 trial. I have finished the whole experiment and every randomization element works but this one.

Only function I found is "&&" but this does not work in my case. I tried it and it looks like it is "AND" function.

Thank you for your interest.