For all of these "why not" people, why not just do:

$a = $b unless $error;

[download]

I know it doesn't work correctly if $a > $b. In my defense, some of the other solutions don't either. Anyway,

while ($a < $b) if not $error
 { $a++; }

[download]

looks pretty disgusting if you ask me. Whereas

$a++ while ! $error && $a < $b;

if ( ! $error ) {
   $a++ while $a < $b;
}

do { $a++ while $a < $b } if ! $error;

[download]

all look a bit more elegant. Also

$a++ while not $error || $a >= $b;

$a = $b unless $error or $a >= $b;

[download]

are cool, IMHO.

In reply to Re: backwards if and while looping by !1
in thread backwards if and while looping by jcpunk

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