Just for completeness' sake (as the others here said, it is propably not a good idea to use this 'feature'):
a quote from "Object Oriented Perl" by Damian Conway:
--- <quote>
<quote>
You
can add new entries to a pseudo-hash, but it's a two step procedure.
First, you add a new key-to-index mapping:
$pseudo_hash->[0]->{"z"} = @{$pseudo_hash};
which maps the key "z" onto the first unused index in the pseudo-hash array. After that, you can access the new entry directly, to assign it a value:
$pseudo_hash->{"z"} = "value z";
</quote>
---- </quote>
which would translate to something like this in your example:
my $a = [ {first=>1, second=>2}, "hello", "there" ];
print "$a->{first}\t$a->{second}\n";
$a->[0]->{'third'} = @{$a};
$a->{'third'} = "foo";
print "$a->{first}\t$a->{second}\t$a->{third}\n";
---- kurt
-
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>
<u> <ul>
-
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
intervention).
-
Want more info? How to link
or How to display code and escape characters
are good places to start.