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I learned how to read a local file by chunks with the help of JavaScript in Firefox ( How to read a local file by chunks in JavaScript? ).

But I wonder what if I want to read a certain range of bytes, not first several, but, say, 100-200? Is it possible to set the offsets somehow?

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Greg Milton
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1 Answers1

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Use nsISeekableStream instead. It allows you to seek() in a file.

Aaron Digulla
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