You could also use the ternary operator: 
my $i = 0;
# ... somewhere in the code:
$i = $i < 4 ? $i + 1 : 0;

[download]
The $i variable will cycle on 0, 1, 2, 3, 4, 0, 1, 2 ...

In reply to Re: "Round Robin" variable range? by Laurent_R
in thread "Round Robin" variable range? by Salamihawk

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