...::Server's handle_request, ...Pluging::Stream and binary files.

Hi Stevan and Rob (and the cgiapp community),

I spent a while last night learning to use cgiapp::Plugin::Stream to
return an excel spreadsheet (built w/ Spreadsheet::WriteExcel) in
response to a request.

I had it almost working very quickly, but the file I sent wasn't
something gnumeric could open.  It turned out that the file was having
newline/carriage return pairs inserted into it and was no longer
valid.

I'm using "my" CGI::Application::Dispatch::Server, which reuses a lot
of code from CGI::Application::Server.  In particular my
handle_request() is modeled after C:A:S's in that it uses
IO::Capture::Stdout to catch the runmode's output and then was creates
a scalar containing the output via:

  my $stdout = join "\x0d\x0a", $capture->read;

If I rework that to:

  my $stdout = join "", $capture->read;

then my binary excel files are streamed properly.  My normal html
pages still seem to work too.

Have I broken anything important?

Thanks for your thoughts,

g.

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