diff --git a/src/main/java/com/rusefi/can/ConvertTrcToMegaLogViewerWithDBC.java b/src/main/java/com/rusefi/can/ConvertTrcToMegaLogViewerWithDBC.java
index 7f4b423..48772b8 100644
--- a/src/main/java/com/rusefi/can/ConvertTrcToMegaLogViewerWithDBC.java
+++ b/src/main/java/com/rusefi/can/ConvertTrcToMegaLogViewerWithDBC.java
@@ -2,11 +2,11 @@ package com.rusefi.can;
 
 import com.rusefi.can.reader.CANLineReader;
 import com.rusefi.can.reader.dbc.DbcFile;
+import com.rusefi.util.FolderUtil;
 
 import java.io.File;
 import java.io.IOException;
 import java.util.List;
-import java.util.Objects;
 
 public class ConvertTrcToMegaLogViewerWithDBC {
     public static void doJob(String dbcFileName, String inputFolderName, String outputFolder) throws IOException {
@@ -15,18 +15,15 @@ public class ConvertTrcToMegaLogViewerWithDBC {
         System.out.println("inputFolderName " + inputFolderName);
         System.out.println("outputFolder " + outputFolder);
 
-        File inputFolder = new File(inputFolderName);
-        for (String inputFile : Objects.requireNonNull(inputFolder.list((dir, name) -> name.endsWith(".trc")))) {
-            System.out.println("Handling " + inputFile);
+        FolderUtil.FileAction fileAction = (simpleFileName, fullFileName) -> {
+            List<CANPacket> packets = CANLineReader.getReader().readFile(fullFileName);
 
-            String fullInputFile = inputFolderName + File.separator + inputFile;
-
-            List<CANPacket> packets = CANLineReader.getReader().readFile(fullInputFile);
-
-            String outputFileName = outputFolder + File.separator + inputFile + ".mlg";
+            String outputFileName = outputFolder + File.separator + simpleFileName + ".mlg";
 
             LoggingStrategy.writeLog(dbc, packets, outputFileName);
-        }
-    }
+        };
 
+
+        FolderUtil.handleFolder(inputFolderName, fileAction);
+    }
 }
diff --git a/src/main/java/com/rusefi/util/FolderUtil.java b/src/main/java/com/rusefi/util/FolderUtil.java
new file mode 100644
index 0000000..21a6765
--- /dev/null
+++ b/src/main/java/com/rusefi/util/FolderUtil.java
@@ -0,0 +1,21 @@
+package com.rusefi.util;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Objects;
+
+public class FolderUtil {
+    public static void handleFolder(String inputFolderName, FileAction fileAction) throws IOException {
+        File inputFolder = new File(inputFolderName);
+        for (String simpleFileName : Objects.requireNonNull(inputFolder.list((dir, name) -> name.endsWith(".trc")))) {
+            System.out.println("Handling input file " + simpleFileName);
+            String fullInputFile = inputFolderName + File.separator + simpleFileName;
+
+            fileAction.doJob(simpleFileName, fullInputFile);
+        }
+    }
+
+    public interface FileAction {
+        void doJob(String simpleFileName, String fullFileName) throws IOException;
+    }
+}