wow! My impending question about usage of -> also got answered ...
On Thu, Aug 19, 2010 at 5:59 PM, Chas. Owens <[email protected]> wrote: > On Thu, Aug 19, 2010 at 07:51, Sharan Basappa <[email protected]> > wrote: >> Hello, >> >> Assuming I have reference to an hash array $rHash, what would be the >> way to dereference it. >> Would it be: %hashEntry = %{$rHash}; ? > snip > > The ways to dereference a hash are > > # treat $ref as a hash variable > %$ref > > # treat $ref as a hash variable, useful for when the reference is not > a simple scalar > %{$ref} > > #index into $ref > $ref->{key} > > # bulkier way of indexing into $ref, the -> operator is preferred > ${$ref}{key} > > # take a slice of $ref > @{$ref}{qw/k1 k2 k3/} > > -- > Chas. Owens > wonkden.net > The most important skill a programmer can have is the ability to read. > -- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected] http://learn.perl.org/
