You're not putting an object in the hash, so you can't
call a method on it later. What you're actually
doing is calling a class method on the package that
corresponds to whatever pack() returns.
The first form works because you are re-blessing the packed
version into the class that contains the unpack_name()
method. I'm not sure why the second form works at all
without resulting in an error, actually.
There are modules on the CPAN that will let you tie()
a hash to a database and then store and fetch references
(including blessed ones) from them, or you could roll
your own with Storable or FreezeThaw or the like.
Are you posting in the right place? Check out Where do I post X? to know for sure.
Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
<code> <a> <b> <big>
<blockquote> <br /> <dd>
<dl> <dt> <em> <font>
<h1> <h2> <h3> <h4>
<h5> <h6> <hr /> <i>
<li> <nbsp> <ol> <p>
<small> <strike> <strong>
<sub> <sup> <table>
<td> <th> <tr> <tt>
Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
Want more info? How to link
or How to display code and escape characters
are good places to start.