CopyFile from one directory to another (C++)

Question

i'm working on Windows and i'm trying to simply move a file from one directory to another. I use the method "CopyFile" but i have an issue whith the name of the file copied; i'm trying this:

#include <windows.h>
#include <stdio.h>

std::string source_path = "C:/ProgramData/RTD02/versions/versions.txt";
std::string destination_path = "C:/ProgramData/RTD02/principale.txt";
CopyFile(source_path.c_str(), destination_path.c_str(), 0);

In fact the content of the file "versions.txt" is well copied into the file "principale.txt". But what i want is also to change the name of file "principale.txt" to "versions.txt", i tried this one but it didn't work :

 rename(destination_path.c_str(), source_path.c_str());

Thanks,

If your compiler supports C++17 - you could make use of this - https://en.cppreference.com/w/cpp/filesystem/rename — Shrikant, Mar 10 '20 at 09:45
unfortunately it doesn't support, the method rename() that i use is from — Jaziri Rami, Mar 10 '20 at 09:52
@JaziriRami: C++ has overloads; the `std::rename` from `` can co-exist with the one from ``. — MSalters, Mar 10 '20 at 11:23

score 2 · Accepted Answer · answered Mar 10 '20 at 09:53

2

The answer is that your destination string needs to be, well the destination.

std::string destination_path = "C:/ProgramData/RTD02/versions.txt";

If you meant to replace an existing file you then follow up a successful copy with DeleteFile the principale.txt

answered Mar 10 '20 at 09:53

acraig5075

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Thanks @acraig5075 ! it was because of the paths i use in the rename() method; that's the correction: rename("C:/ProgramData/RTD02/principale.txt","C:/ProgramData/RTD02/versions.txt"); – Jaziri Rami Mar 10 '20 at 11:17

score 0 · Answer 2 · answered Mar 10 '20 at 11:28

0

The Windows function to move a file is called just that, MoveFile. Works just like CopyFile.

answered Mar 10 '20 at 11:28

MSalters

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yes you are right, they are functions from – Jaziri Rami Mar 10 '20 at 11:35

CopyFile from one directory to another (C++)

2 Answers2