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CSV file seems different depending on the program. #1024

hyeribo opened this issue Mar 7, 2018 · 2 comments


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commented Mar 7, 2018

I made a csv file:
var stream =;

then uploaded the file to S3 and returned url.

When I download the file and open it, it looks well on my pc. (open on OS X using Numbers.)
But when I trying to open the same file on window OS using ms office, characters are broken.
it's Korean characters. and I want to encode the file UTF-8.
How can I resolve this problem?

it's the file.


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commented Mar 7, 2018

The utility currently doesn't (but should) write the UTF8 BOM. As a temporary workaround:

var stream =;
var out = fs.createWriteStream(fileName);
out.on('open', function(fd) {
  out.write(new Buffer([0xEF,0xBB,0xBF]));

If you would like to contribute a fix, in the write_csv_stream function add a line to push the BOM if it hasn't been written:

var BOM = false;
stream._read = function() {
	if(!BOM) { BOM = true; return stream.push("\uFEFF"); }

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commented Mar 19, 2018

It works. Thanks!!

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