[Dancer-users] Problem with an open filehandler within the route

[Flavio Poletti]

You are not checking whether the open() is successful or not (unless
you're using autodie or Fatal, which is not shown here). I suspect
this might have something to do with your error.

Cheers,

   Flavio.


On Tue, Feb 15, 2011 at 2:22 PM, Thomas Maier <hayzer at gmail.com> wrote:
> Hi,
> I have the follow route:
> {{{
>
> get qr{/(tests/.*)} => sub {
>    my ($filename) = splat;
>    my $testdata = {};
>    open my $stdout, "-|", "cli","--flag",$filename;
>    while(<$stdout>) {
>        my ($id,$name) = split/:/,$_;
>        $testdata->{$id} = qq{$name};
>    }
>    template 'show_test_case', {
>        filename => $filename,
>        testdata => $testdata,
>    };
> };
>
> }}}
>
> Following the route (/tests/something) for the first time gives the
> expected results, meaning the list of $id's and $name's.
> But when executing the route for the second time, it shows the follow
> runtime error:
> "
> Warning caught during route execution: readline() on closed filehandle
> $stdout
> "
>
> Is there some limitation for working with filehandlers withing the route
> subroutine?
>
> Thomas
> _______________________________________________
> Dancer-users mailing list
> Dancer-users at perldancer.org
> http://www.backup-manager.org/cgi-bin/listinfo/dancer-users
>