diff --git a/temporary_file.hpp b/temporary_file.hpp
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+/**
+ * Copyright © 2020 IBM Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#pragma once
+
+#include <filesystem>
+#include <utility>
+
+namespace phosphor::power::util
+{
+
+/**
+ * @class TemporaryFile
+ *
+ * A temporary file in the file system.
+ *
+ * The temporary file is created by the constructor.  The absolute path to the
+ * file can be obtained using getPath().
+ *
+ * The temporary file can be deleted by calling remove().  Otherwise the file
+ * will be deleted by the destructor.
+ *
+ * TemporaryFile objects cannot be copied, but they can be moved.  This enables
+ * them to be stored in containers like std::vector.
+ */
+class TemporaryFile
+{
+  public:
+    // Specify which compiler-generated methods we want
+    TemporaryFile(const TemporaryFile&) = delete;
+    TemporaryFile& operator=(const TemporaryFile&) = delete;
+
+    /**
+     * Constructor.
+     *
+     * Creates a temporary file in the temporary directory (normally /tmp).
+     *
+     * Throws an exception if the file cannot be created.
+     */
+    TemporaryFile();
+
+    /**
+     * Move constructor.
+     *
+     * Transfers ownership of a temporary file.
+     *
+     * @param file TemporaryFile object being moved
+     */
+    TemporaryFile(TemporaryFile&& file) : path{std::move(file.path)}
+    {
+        // Clear path in other object; after move path is in unspecified state
+        file.path.clear();
+    }
+
+    /**
+     * Move assignment operator.
+     *
+     * Deletes the temporary file owned by this object.  Then transfers
+     * ownership of the temporary file owned by the other object.
+     *
+     * Throws an exception if an error occurs during the deletion.
+     *
+     * @param file TemporaryFile object being moved
+     */
+    TemporaryFile& operator=(TemporaryFile&& file);
+
+    /**
+     * Destructor.
+     *
+     * Deletes the temporary file if necessary.
+     */
+    ~TemporaryFile()
+    {
+        try
+        {
+            remove();
+        }
+        catch (...)
+        {
+            // Destructors should not throw exceptions
+        }
+    }
+
+    /**
+     * Deletes the temporary file.
+     *
+     * Does nothing if the file has already been deleted.
+     *
+     * Throws an exception if an error occurs during the deletion.
+     */
+    void remove();
+
+    /**
+     * Returns the absolute path to the temporary file.
+     *
+     * Returns an empty path if the file has been deleted.
+     *
+     * @return temporary file path
+     */
+    const std::filesystem::path& getPath() const
+    {
+        return path;
+    }
+
+  private:
+    /**
+     * Absolute path to the temporary file.
+     *
+     * Empty when file has been deleted.
+     */
+    std::filesystem::path path{};
+};
+
+} // namespace phosphor::power::util