hey Gargoyle,
$ is accepted as the shortest variable name, so you give this name to the variable you use the most.
($^) is the same as Len($) (but shorter)
$^0 is one shorter than the one above, but this is not always allowed by the interpreter
if $a | $b means if $a OR $b
if $a & $b means if $a AND $b
Loops do not have to be closed if the closing line is the last line of the function
These are a couple of golfing tricks, are there any specific others that you'd like to know about?
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The Code is out there
