On Thu, Dec 20, 2001 at 05:00:46PM -0500, Hanson, Robert wrote:
> If you use "redo" while in that loop it will reset it and start over
Just a bit of clarification: redo will not cause the loop to reset and start
over. redo causes the current loop block to execute again, without
re-evaluating the looping condition. For example:
foreach my $question (@yesno_questions) {
print "$question? (yes/no) ";
chomp(my $answer = <STDIN>);
redo unless $answer eq 'yes' || $answer eq 'no';
}
This will ask a series of yes or no questions. If the answer is neither
'yes' or 'no' then the question is re-displayed.
Michael
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