Riot 2017-07-04 00:25:
Sure, but they're embarassingly trivial, as my email suggests.

// build with g++ test_temp_path.cpp -lstdc++fs
#include <iostream>
#include <experimental/filesystem>

auto main()->int {
  std::cout << "Temp dir: \"" <<
std::experimental::filesystem::temp_directory_path() << "\"" << std::endl;
  return EXIT_SUCCESS;
}


Temp dir: "terminate called after throwing an instance of
'std::experimental::filesystem::v1::__cxx11::filesystem_error'
  what():  filesystem error: temp_directory_path: Unknown error


Similarly:

// build with g++ test_remove.cpp -lstdc++fs
#include <experimental/filesystem>

auto main()->int {
  std::experimental::filesystem::remove("my_file.txt");
  return EXIT_SUCCESS;
}


terminate called after throwing an instance of
'std::experimental::filesystem::v
1::__cxx11::filesystem_error'
  what():  filesystem error: cannot remove: Unknown error [my_file.txt]

Thanks.
I'll fix it.

--
Regards, niXman
___________________________________________________
Dual-target(32 & 64-bit) MinGW-W64 compilers for 32 and 64-bit Windows:
https://sf.net/p/mingw-w64/

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