--- a/src/goodjava/io/IoUtils.java	Thu Sep 24 15:33:56 2020 -0600
+++ b/src/goodjava/io/IoUtils.java	Sun Sep 27 22:07:18 2020 -0600
@@ -9,6 +9,7 @@
 import java.io.StringWriter;
 import java.io.IOException;
 import java.nio.file.Files;
+import java.nio.file.attribute.FileTime;
 import java.security.Security;
 import javax.net.ssl.SSLSocketFactory;
 import javax.net.ssl.SSLServerSocketFactory;
@@ -54,6 +55,10 @@
 		Files.createSymbolicLink( link.toPath(), existing.toPath() );
 	}
 
+	public static long getCreationTime(File f) throws IOException {
+		return ((FileTime)Files.getAttribute(f.toPath(),"creationTime")).toMillis();
+	}
+
 	public static void copyAll(InputStream in,OutputStream out)
 		throws IOException
 	{