On Fri, Sep 30, 2005 at 10:08:51AM -0400, Jeff 'japhy' Pinyan wrote:
> On Sep 30, Mark Martin said:
>
> >I want to compare the elements of an array with the keys in a hash. If
> >matches are found, I want to store the values associated with the
> >matched keys in an array for future processing :
> >
> > my @storage_array = ();
> > foreach $item(@original array) {
> > if (exists $original_hash{$item}) {
> > push(@storage_array, ?????? )
> > }
> > }
>
> Your ?????? should just be $original_hash{$item}, I expect, although this
> code could be written far more succinctly as a map():
>
> my @storage_array = map {
> exists $original_hash{$_} ? $original_hash{$_} : ()
> } @original_array;
>
... or grep
my @storage_array = grep { exists $original_hash{$_} } @original_array;
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