diff --git a/sysfs.H b/sysfs.H
new file mode 100644
index 0000000..d073d77
--- /dev/null
+++ b/sysfs.H
@@ -0,0 +1,31 @@
+#ifndef __SYSFS_H
+#define __SYSFS_H
+
+#include <fstream>
+#include <string>
+
+template <typename T>
+void read_sysfs(const std::string& path, T& val)
+{
+    std::ifstream s(path);
+    s >> val;
+}
+
+template <typename T>
+void write_sysfs(const std::string& path, const T& val)
+{
+    std::ofstream s(path);
+    s << val;
+}
+
+const std::string make_sysfs_path(const std::string& path,
+                                  const std::string& type,
+                                  const std::string& id,
+                                  const std::string& entry)
+{
+    using namespace std::literals;
+
+    return path + "/"s + type + id + "_"s + entry;
+}
+
+#endif