CODEWITHSUNDEEP
c++iobinarystdfstream
nave
nave

Reputation: 448

C++ - Missing end of line characters in file read

I am using the C++ streams to read in a bunch of files in a directory and then write them to another directory. Since these files may be of different types, I am using a the generic ios::binary flag when reading/writing these files. Example code below:

std::fstream inf( "ex.txt", std::ios::in | std::ios::binary);
char c;
while( inf >> c ) {
    // writing to another file in binary format
}

The issue I have is that in the case of files containing text, the end of line characters in these text files are not being written to the output file.

Edit: Or at least they do not appear to be as when the newly written file is opened, there is only a single continuous line of characters.

Edit again: The problem (of the continuous string) appears to persist even when the read / write is made in text mode.

Thus, I was wondering if there was a way to check if a file has text or binary and then read/write it appropriately. Else, is there any way to preserve the end of line characters even when opening the file in binary format?

Edit: I am using the g++ 4.8.2 compiler

Upvotes: 4

Views: 590

Answers (1)

vehsakul
vehsakul

Reputation: 1158

When you want to manipulate bytes, you need to use read and write methods, not >> << operators.

You can get the intended behavior with inp.flags(inp.flags() & ~std::ios_base::skipws);, though.

Upvotes: 2

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