std::filesystem::path::remove_filename
From cppreference.com
< cpp | filesystem | path
| path& remove_filename(); |
(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.
Contents |
[edit] Parameters
(none)
[edit] Return value
*this
[edit] Exceptions
May throw implementation-defined exceptions.
[edit] Example
Run this code
#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'; }
Output:
"foo/" false "foo/" false "/" false "/" false "" false
[edit] See also
| returns the filename path component (public member function) | |
| replaces the last path component with another path (public member function) | |
| checks if the corresponding path element is not empty (public member function) |
