>Should be a simple question. I am trying to only print the element of the
> hash, that matches the $user string but it prints all of the elements.
What
> am I missing.
print "$lookup{$user}\n";
> Thanks
>
> $user = "jsmith";
> my %lookup = (
> 'jsmith' => "jsmith1",
> 'djones' => "djones2",
> 'tday' => "tday3",
> );
>
> for my $key (keys %lookup) {
> print "$lookup{$key}\n" if $key == $user;
> }
>
> --
> prints:
> djones2
> tday3
> jsmith1
The reason it does this is you are using numeric comparison (==) instead
of string comparison (eq), and all of the keys are numerically equal to
$user.
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