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Difference between revisions of "Perl/Basics/Loops/While"
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AlizaLorenzo (Talk | contribs) (Created page with "* A '''while loop''' executes '''while''' a condition is '''true'''. {{code|text=<source lang="perl">my $switch; my $counter; while (undef $switch) { print $counter; $cou...") |
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Latest revision as of 02:58, 16 July 2012
- A while loop executes while a condition is true.
my $switch; my $counter; while (undef $switch) { print $counter; $counter++; $switch = 1 if ($counter > 100); } |
The above code will execute until $switch is defined.
It is possible to create an infinite loop using while (1) { ... }.
