Steve Bertrand wrote:
> Hi everyone,
>
> I've got a couple of simple questions. First, I know that the below line
> is not correct, but instead of having someone correct it, I'd rather
> learn more about the Perl debugger, and the map function.
>
> I'd like to replace 'h_' with 'hello_' in each key name in %hash, but
> warnings indicate an odd number of elements, and the result is not what
> I want:
>
> my %newhash = map { {$_ =~ s/h_/hello_/} } keys %hash;
Well, after realizing that the debugger does stop within each iteration
of map, I was able to figure out that this is what I needed:
my %hash = (
h_name => 'steveb',
h_work => 'eagle.ca',
);
my %newhash = map { $_ =~ s/h_/hello_/; ($_, $hash{$_}) } keys %hash;
Steve
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