Hi,
I am missing a good example for how to adopt stream.pipe for my old
util.pump code when it comes to replacing a file with the contents of
another file. As of today, I am using code similar to this:
var readS = fs.createReadStream("fileA.txt");
var writeS = fs.createWriteStream("fileB.txt");
util.pump(readS, writeS, function(error)
// Operation done
});
Now with stream.pipe I am uncertain if I am using it correctly. I am
wondering if I have to call resume() or not before piping and I also wonder
how to register a callback when the operation is fully completed. My
attempt is this:
var readS = fs.createReadStream("fileA.txt");
var writeS = fs.createWriteStream("fileB.txt");
readS.pipe(writeS);
readS.on("end", function() {
// Operation done
});
I would really appreciate if someone could tell me if this is the right way
of doing it. As a related question, I am wondering if I should open the
file with "w" or "r+". However, I think "w" is correct because I am
replacing the file contents.
Thanks,
Ben
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