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@kevinold
Created August 8, 2011 15:58
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Upload file in Sinatra
require 'rubygems'
require 'sinatra'
require 'fileutils'
# upload with:
# curl -v -F "data=@/path/to/filename" http://localhost:4567/user/filename
# or just go to http://localhost:4567/user/filename with a browser
get '/:name/:filename' do
erb :form
end
post '/:name/:filename' do
userdir = File.join("files", params[:name])
FileUtils.mkdir_p(userdir)
filename = File.join(userdir, params[:filename])
datafile = params[:data]
# "#{datafile[:tempfile].inspect}\n"
File.copy(datafile[:tempfile], filename)
#File.open(filename, 'wb') do |file|
# file.write(datafile[:tempfile].read)
#end
"wrote to #{filename}\n"
end
use_in_file_templates!
__END__
@@ form
<form action="" method="post" enctype="multipart/form-data">
<p>
<label for="file">File:</label>
<input type="file" name="file">
</p>
<p>
<input name="commit" type="submit" value="Upload" />
</p>
</form>
@locisvv
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locisvv commented Jun 29, 2013

Hi)) How to upload multiple files?

@polarlights
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It's a little different between Sinatra and Rails. In Ruby On Rails, we would access the tempfile by datafile.tempfile; on the other hand, we should use a hash to access it in Sinatra.

@clausd
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clausd commented Jun 16, 2016

There's a naming inconsistency - the file is in params[:file] with the markup you have

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