Everything you said about Petal applies to Seamstress. However, the advantage of Seamstress is that you don't need to learn a mini-language.

So let's take the same content:

Welcome back <b tal:content="user/name">Sample Username</b>,
you last logged in <i tal:content="user/last_login">Sat 23rd Aug</i>
[download]

And when you look at this in dreamweaver or a browser you'll see

    Welcome back Sample Username, you last logged in Sat 23rd Aug
[download]

And assuming

$h = {
  user => {
    name => "Fergal Daly"
    last_login => "Feb 22nd"
  }
}
[download]

The processed output will be

    Welcome back Fergal Daly, you last logged in Feb 22nd
[download]

Now for the big difference

Of course TAL handles loops and conditionals etc.

Seamstress does not. Perl has loops and conditionals and sees no need for their re-invention.

The thing that takes the most getting used to is that it's a little verbose. Unfortunately this is a necessary side effect of being truly compatible with XML/HTML.

I agree with you here, but I personally could have it no other way either. Here is how seamstress would template the same thing:

require html::welcome_form;

my $tree = html::welcome_form->new;


my $user_name = $tree->look_down('tal:content' => 'user/name');
$user_name->replace_content($hash->{user}{name});

my $last_login = $tree->look_down('tal:content' => 'user/last_login);
$last_login->replace_content($hash->{user}{last_login});

[download]

or with a loop

for my $content (qw(name last_login)) {

 $tree->look_down('tal:content' => $content)
      ->replace_content($hash->{user}{$content});

}

[download]

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