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Hello there kikuchiyo
A big thank you for you testing, now the code is working

The problem was, I was using plackup -L Shotgun to run the psgi app, and the error I was getting was.

Magic number checking on storable string failed at /usr/lib/x86_64-linux-gnu/perl/5.22/Storable.pm line 420, at /usr/local/share/perl/5.22.1/Plack/Loader/Shotgun.pm line 35. Sometimes I get the error memory

But when I change to just plackup, everything works
here is the final code:

use strict; use warnings; ####use Plack::Response; # doesn't seem to support streaming response use Path::Tiny; use File::MimeInfo; my $app = sub { my $env = shift; my $path_file = 'win.iso'; my $content_type = mimetype($path_file); $content_type = 'application/octet-stream' if not defined $content +_type; require File::Spec::Unix; my $basename = $path_file; $basename =~ s|\\|/|g; $basename = ( File::Spec::Unix->splitpath($basename) )[2]; $basename =~ s|[^\w\.-]+|_|g; return sub { my $responder = shift; my $writer = $responder->( [ 200, [ 'Content-Type' => $content_type, 'Content-Disposition' => qq[attachment; filename="$ +basename"], ] ] ); open (FILE, "< $path_file") or die "can't open $path_file: $!" +; binmode FILE; local $/ = \102400; while (<FILE>) { $writer->write($_); } $writer->close(); close FILE; } }
again thank you so much for your time and your code

In reply to Re^7: Download big file in chunks with plack response by Thenothing
in thread Download big file in chunks with plack response by Thenothing

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