ruby on rails - Upload only few KB's of large file -

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on rails app have file fields , text fields url of remote server files, these file can large in size ( 1-2 gb ) want upload few kb's check initials of files.

i have installed paperclip not sure if can done this.

i tried custom code uploading complete files.

also looked blueimp jquery upload not sure how for.

following requirement in detail

app has form file fields , text fields remote file urls ( upload server ), when user clicks on check button files ( few kbs ) should downloaded, run function check files , remove invalid files , run function upload complete files.

it there tutorial or method or gem type of requirement ?


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