21 May 2002 LotR   » (Master)

ianmacd seems to think Ruby's missing_method is a unique feature. I think it's more likely it was borrowed from Perl:


sub main::AUTOLOAD { my ($method, $data, %attrs) = ($AUTOLOAD, @_); my ($tag) = $method =~ /.*::(\w+)/g; my $attr_str; foreach my $key (keys %attrs) { $attr_str .= sprintf (" %s='%s'", $attrs{$key}); } return sprintf ("<%s%s>%s</%s>", $tag, $attr_str, $data, $tag); }

print &a ('Google', href => 'http://www.google.com'), "\n"; print &ul(&li('item1') . &li('item2') . &li('item3')), "\n";

Of course, TMTOWTDI, and ianmacd already mentions CGI.pm, which does the same thing, only more robustly.

Another module is quite useful if you want to edit your html tree at some point after creating it, HTML::Element. An example of how to create a tree with it, and print it:

use HTML::Element;

my $foo = HTML::Element->new_from_lol ( ['p', ['a', {href => 'http://www.google.com'}, 'Google' ], ['ul', map ['li', $_], qw(item1 item2 item3) ], ], );

print $foo->as_HTML;

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