std::filesystem::path::parent_path
std::filesystem::path::parent_path
path parent_path() const; | (since C++17) |
Returns the path to the parent directory. Returns empty path if empty() or there's only a single element in the path (begin() == --end().
The resulting path is constructed by appending all elements in a range [begin(), --end()) to an empty path.
Parameters
(none).
Return value
The path to the parent directory.
Exceptions
(none).
Example
#include <iostream>
#include <filesystem>
namespace fs = std::filesystem;
int main()
{
for(fs::path p : {"/var/tmp/example.txt", "/", "/var/tmp/."})
std::cout << "The parent path of " << p
<< " is " << p.parent_path() << '\n';
}Possible output:
The parent path of "/var/tmp/example.txt" is "/var/tmp" The parent path of "/" is "" The parent path of "/var/tmp/." is "/var/tmp"
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