[Catalyst] How to send raw HTTP response

Tomas Doran bobtfish at bobtfish.net
Sun Sep 28 17:21:41 BST 2008

On 27 Sep 2008, at 19:48, Matt S Trout wrote:
> Just call $c->write($chunk) with each chunk of data as you get it.
> Catalyst will automatically send headers before the first chunk for  
> you.
> Do -not- rely on STDOUT being an appropriate filehandle to print  
> to, that's
> an accident of the engine design and could easily go away.

Unfortunately, if you're using Archive::Zip, you don't get an option  
to get chunks you can call $c->write with, you _need_ to write to a  
file handle.. (And this isn't the only module on CPAN that'd behave  
like this).

Therefore, in some cases it would be extremely useful if you could  
get Catalyst to generate you a file handle you could write to that  
would write directly into the HTTP response, rather than having to  
call $c->write. How feasible is that?

Alternatively, it would be really useful to have an  
IO::WriteOnlyClosure module, so you could say something like:

my $fh = IO::WriteOnlyClosure->new(sub { $c->write(@_[0]) });
$zip->addfile($_, basename($_) for (@files);

Thoughts / pointing out the module I missed on CPAN?


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