How to keep CR when reading file into string?

Asked Nov 07 '17 at 13:15

Active Nov 07 '17 at 13:15

Viewed 27 times

I use code below to read file into string. The file is a CSV file on windows. Lines are ended by '\r\n'.

std::ifstream stream(fileName);
auto rawText = std::string(std::istreambuf_iterator<char>(stream), std::istreambuf_iterator<char>());

I notice that the '\r\n' is translated into '\n'.

Why this happens? How to keep '\r\n'?

asked Nov 07 '17 at 13:15

user1633272

4

Open the file in *binary* mode. – Some programmer dude Nov 07 '17 at 13:16
A c++ question have been marked as duplicate of a c question? – Ahmad Khan Nov 07 '17 at 13:20
@Someprogrammerdude why this happens? Is there an explanation? – user1633272 Nov 07 '17 at 13:25
@MuhammadAhmad While this does seem odd at first, I can't find a better duplicate than what Sam did so unless you have a better suggestion I guess that's the best we have... – Borgleader Nov 07 '17 at 13:30
@Borgleader I think, instead of marking it a duplicate of some other language question, one should consider answering it, and could mention this link while answering. – Ahmad Khan Nov 07 '17 at 13:40
1

@user1633272 in binary mode, it treats the files as just a stream of bytes, and reads from there. But without binary mode, it treats the file as text, so does some conversions. – Ahmad Khan Nov 07 '17 at 13:45

0 Answers0