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Sent: 13 August 2001 00:15
To: Birgit Kellner
Cc: [EMAIL PROTECTED]
Subject: Re: finding a key in a hash with regexp
At 18:25 2001.08.12, Birgit Kellner wrote:
>Hm, what's the shortest way to do this: I have a hash where one, and only
one, key begins with a number, I don't kno
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
On Aug 13, Birgit Kellner said:
>Hm, what's the shortest way to do this: I have a hash where one, and only
>one, key begins with a number, I don't know its value and want to assign
>this value to a variable.
Loop over the keys, using keys() or each().
for (keys %hash) {
$wanted = $hash{
At 18:25 2001.08.12, Birgit Kellner wrote:
>Hm, what's the shortest way to do this: I have a hash where one, and only one, key
>begins with a number, I don't know its value and want to assign this value to a
>variable.
>
>If I were to do a foreach loop, I'd do this (presuming that %hash is alrea
