On Mon, Aug 13, 2001 at 12:25:32AM +0200, Birgit Kellner wrote:
> foreach my $key(keys %hash) {
> if ($key =~ /^\d/) {push (@keys, $key); }
> }
>
> But since I know there will only be one key where this condition is true,
> looping and creating an array seems like a waste.
Then why create an array?
my $number_key;
foreach my $key (keys %hash) {
if ($key =~ /^\d/) {
$number_key = $key;
last;
}
}
It might be a better idea to keep the key's name around in a seperate
variable, at the point where you put it in the hash, instead of searching
the hash after the fact.
Michael
--
Administrator www.shoebox.net
Programmer, System Administrator www.gallanttech.com
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