Steve Grazzini wrote: > > On Fri, Nov 14, 2003 at 12:25:41PM -0800, david wrote: > > Douglas Houston wrote: > >> > >> I am trying to initialize a dynamically-named array > > > > this normally can't be done cleanly and is generally not recommanded given > > there are other ways to accomplish bascially the same thing. but if you are > > here to see if it can be done at all, you might want to try something like: > > > > #!/usr/bin/perl -w > > use strict; > > > > my $name = shift; > > > > eval <<CODE; > > no strict; > > @ $name=1..3; > > print "\$_\\n" for(@ $name); > > CODE > > Sigh... :-) > > The point is not that *symrefs* are inherently bad. The point is that > turning data into variable names can cause huge, nightmarish maintenance > problems. Even though your code doesn't have any symbolic references, > it can still cause all the same maintenance problems... and it's so much > uglier than just using symrefs in the first place!
Thanks Steve. I agree There's nothing wrong with 'pass by name' code parameters as such. Algol 60 used to do it as a matter of course, but guess why it was dropped? For the same reason that "use strict 'refs'" prohibits it. Rob -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
