Returns the path to the parent directory.

Ifhas_relative_path() returns false, the result is a copy of*this.Otherwise, the result is a path whose generic format pathname is the longest prefix of the generic format pathname of*this that produces one fewer element in its iteration.

[edit]Parameters

(none)

[edit]Return value

The path to the parent directory, or a copy of*this if nothas_relative_path().

[edit]Exceptions

May throw implementation-defined exceptions.

[edit]Example

#include <filesystem>#include <iostream>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';}

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"

[edit]See also

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