Initial basic work.

Next to import Alepha and other stuff.

Makefile

@@ -0,0 +1,8 @@
+CXXFLAGS+= -std=c++23 -O3
+
+CPPFLAGS+= -I /usr/local/include
+CPPFLAGS+= -I.
+
+LDFLAGS+= -Wl,-rpath,'$$ORIGIN/'
+
+all: cudir

cudir.cc

@@ -0,0 +1,35 @@
+#include <filesystem>
+#include <iostream>
+
+std::string
+drwx( const std::filesystem::perms p )
+{
+	std::ostringstream oss;
+	using std::filesystem::perms;
+	auto show = [&](const char op, const perms perm)
+	{
+		oss << (perms::none == (perm bitand p) ? '-' : op);
+	};
+	show('r', perms::owner_read);
+	show('w', perms::owner_write);
+	show('x', perms::owner_exec);
+	show('r', perms::group_read);
+	show('w', perms::group_write);
+	show('x', perms::group_exec);
+	show('r', perms::others_read);
+	show('w', perms::others_write);
+	show('x', perms::others_exec);
+
+	return std::move( oss ).str();
+}
+
+int
+main()
+{
+	std::filesystem::path where="./";
+
+	for( const auto &entry: std::filesystem::directory_iterator{ where } )
+	{
+		std::cout << entry.path().string() << " " << drwx( status( entry.path() ).permissions() ) << std::endl;
+	}
+}