c++ - Saving output using hex adds white spaces? -

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i have code

int main() { ifstream fin; ofstream fout;  string filename = "x64-mk10game.ini";  fin.open(filename.c_str(),ios::binary); fin>>noskipws; fout.open("modded.ini");  unsigned char x;  while(fin>>x) {     fout<<x; }  return 0; }

the thing code file this:

[main] options

the output i'm getting 

[main]  options

can me that?

the problem you're reading fin in binary mode, writing fout in text mode.

in binary mode, no reinterpretation of end-of-line characters done. in text mode on windows, reading pair \r\n returned character \n, , writing character \n causes \r\n written output stream.

so, since fin opened in binary, hold of characters \r , \n. since fout opened in text, writing \r produces \r, , writing \n produces \r\n, duplicating carriage-return character.

the solution open fout in binary mode well. , since you're apparently interested in binary i/o, might want use unromatted i/o functions read() , write() instead of >> , << manipulators, intended formatted i/o.


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