Source File: basename.cpp

//https://www.gnu.org/software/coreutils/manual/html_node/basename-invocation.html 

#include <fmt/core.h>
#include <filesystem>

int main(int argc, char* argv[]) {
  std::string filename{argv[1]};

  std::filesystem::path fp{filename};

  fmt::println("{}", fp.stem().string());
}