std::filesystem::path::remove_filename

std::filesystem::path::remove_filename

path& remove_filename()

(1)

(since C++17)

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

(none).

Example

#include <iostream>
#include <filesystem>
namespace fs = std::filesystem;
 
int main()
{
 
    std::cout << fs::path("foo/bar").remove_filename() << '\n'
              << fs::path("foo/").remove_filename() << '\n'
              << fs::path("/foo").remove_filename() << '\n'
              << fs::path("/").remove_filename() << '\n';
}

Output:

"foo/"
"foo/"
"/"
"/"

See also

filename	returns the filename path component (public member function)
replace_filename	replaces the last path component with another path (public member function)
has_filename	checks if the corresponding path element is not empty (public member function)

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