I think the example code is bad. The correct code is 
#!/usr/bin/perl

$num=20;
while ($num<30) {
   print "num is $num\n";
   $num=$num+1;
}

[download]
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El codigo que esta de ejemplo esta mal este es el correcto 

#!/usr/bin/perl

$num=20;
while ($num<30) {
   print "num is $num\n";
   $num=$num+1;
}

[download]

20041020 Edit by ysth: use p, code, hr tags; fix tilde-n

In reply to Re: while loops by Anonymous Monk
in thread while loops by root

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