Goto loops
From Scriptwiki
You can use goto command to jump from one point to another in a script.
Goto's aren't used very much.
alias channels {
[var] %i , %chans
:nexti
[inc] %i
[if] (%i > [$chan](0)) { [return] %chans }
var %chans = %chans $chan(%i)
[goto] nexti
}
