[Webdev] Perl references

[Kathryn Cassidy]

On Mon, Sep 25, 2000 at 03:40:36PM +0100, Justin Mason wrote:
> Dunno, but as far as I know the conventional way to do that would be
> 
>   my $params = $cgi->Vars;
>   $dbh->quote($params->{moo})
> 
> ie. using the -> syntax to dereference the hash access.   I for one would
> be more comfortable this way as IMHO it's a little clearer about the
> precedence etc.  Dunno if it would fix the prob or not though but it's
> worth a try ;)
It does exactly the same thing.  Odd.  I prefer the $$ syntax though,
it's just cuter.

> Also worth trying would be e.g.
> 
> 	 my $params = $cgi->Vars;
> 	my $foo = $params->{moo};
> 	print "dbg $foo<br>\n";		# optional ;)
> 	$dbh->quote($foo);
Yeah, well it looks like that's what I'll have to do, but it means I
need an extra variable which is a bit annoying.

Kathryn.