in reply to Global Vars

It depends what you use the variable for. If you use it globally, by all means, use a global variable. That's, IMO, cleaner than passing the same variable to (almost) every function. It's even worse if you have 12 such variables.

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Re^2: Global Vars
by Melly (Chaplain) on Sep 04, 2009 at 16:13 UTC
    Thanks all - pretty much confirms what I thought. Phew.
    map{$a=1-$_/10;map{$d=$a;$e=$b=$_/20-2;map{($d,$e)=(2*$d*$e+$a,$e**2 -$d**2+$b);$c=$d**2+$e**2>4?$d=8:_}1..50;print$c}0..59;print$/}0..20
    Tom Melly, pm (at) cursingmaggot (stop) co (stop) uk