std::filesystem::path::remove_filename - cppreference.com
From cppreference.com
| (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
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'; }
Output:
"foo/" false "foo/" false "/" false "/" false "" false
See also
| returns the filename path component (public member function) [edit] | |
| replaces the last path component with another path (public member function) [edit] | |
| checks if the corresponding path element is not empty (public member function) |