> >>
> > # foreach $number (qw <en tre ni>) {
> > foreach $number ($extract) {
> > push (@return_array, $hash_table{$number});
> > }
> > return @return_array;
>
> return @hash_table{ @extract };
>
> >>>>This will return a list of values from %hash_table using
> the keys from
> >>>>@extract.
>
> Please explain why this works. thank you.
perldoc perlreftut
also read Ch 8-9 of Programming Perl 3rd Ed if you have it.
--
it will be much clearer if you read about it then have someone briefly
explain it.
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