C++17 example for directory iteration

dup-finder/dir-iter.cpp

@@ -0,0 +1,15 @@
+// Using this as a test for compiling C++17
+#include <fstream>
+#include <iostream>
+#include <filesystem>
+namespace fs = std::filesystem;
+
+int main()
+{
+    fs::create_directories("sandbox/a/b");
+    std::ofstream("sandbox/file1.txt");
+    fs::create_symlink("a", "sandbox/syma");
+    for(auto& p: fs::recursive_directory_iterator("sandbox"))
+        std::cout << p.path() << '\n';
+    fs::remove_all("sandbox");
+}