options.fd in fs.createReadStream

[NodeJazz]

What is the use of the 'fd' property of the 'options' parameter of the method fs.createReadStream? Can it be used to create a stream from a fd that is already available (obtained via fs.open callback)? eg

            var options = {};

            options.fd = fd;

            var readStream = fs.createReadStream(null, options);

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[Isaac Schlueter]

Yes, that is what it's for. I think you still might need to pass in a
path, but maybe that's been fixed.

It's very rare that you should need to do this. Most of the time, you
just open the file for the stream.

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[Ben Noordhuis]

Yes. However, there is a bug in node < 0.7.3 where the stream won't
start until you call stream._read(). It's fixed in f64989e:

https://github.com/joyent/node/commit/f64989e

[NodeJazz]

> Yes. However, there is a bug in node < 0.7.3 where the stream won't
> start until you call stream._read(). It's fixed in f64989e:
>

Thanks for the clarification. I think I just bumped into this bug.

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