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Editorial Team
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Asked: 2026-05-27T21:58:32+00:00

Given a really large, 3+ gig, binary file is there anyway that I could

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Given a really large, 3+ gig, binary file is there anyway that I could stream, from client to server, only portions of the file using JavaScript given that I know what byte range of the file that I want to receive?

I have a Ruby on Rails application that needs to grab specific portions of a file from the client. As one user has stated I could do this using Java.

Edit: After some reading it appears that HTML5 via slicing a file may be the best bet. http://www.html5rocks.com/en/tutorials/file/dndfiles/

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1 Answer

  1. Editorial Team

    The basic answer is yes, assuming your web server supports it (which many do).

    You can use the Range HTTP header to request only a part of the file (e.g. Range: bytes=1000-2000). Whether this works for you depends heavily on what you’re trying to accomplish — more information would help.

    See this answer for a discussion on using it.

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