std::filesystem::path:: remove_filename

Removes a single generic-format filename component (as returned by filename ) from the given generic-format path.

After this function completes, has_filename returns false .

Parameters

(none)

Return value

* this

Exceptions

May throw implementation-defined exceptions.

Example

#include <filesystem>
#include <iostream>
namespace fs = std::filesystem;
 
int main()
{
    fs::path p;
    std::cout << std::boolalpha
              << (p = "foo/bar").remove_filename() << '\t' << p.has_filename() << '\n'
              << (p = "foo/").remove_filename() << '\t' << p.has_filename() << '\n'
              << (p = "/foo").remove_filename() << '\t' << p.has_filename() << '\n'
              << (p = "/").remove_filename() << '\t' << p.has_filename() << '\n'
              << (p = "").remove_filename() << '\t' << p.has_filename() << '\n';
}

"foo/"  false
"foo/"  false
"/"     false
"/"     false
""      false

See also