std::experimental::filesystem::path::replace_extension

Replaces the extension with replacement or removes it when the default value of replacement is used.

Firstly, if this path has an extension(), it is removed.

Then, a dot character is appended if replacement is not empty or does not begin with a dot character.

Then replacement is appended to the path.

Parameters

Return value

*this

Exceptions

May throw implementation-defined exceptions.

Example

#include <experimental/filesystem>
#include <iostream>
namespace fs = std::experimental::filesystem;
 
int main()
{
    fs::path p = "/foo/bar.jpeg";
    std::cout << "Was: " << p << '\n';
    p.replace_extension(".jpg");
    std::cout << "Now: " << p << '\n';
}

Was: "/foo/bar.jpeg"
Now: "/foo/bar.jpg"

See also