diff --git a/pom.xml b/pom.xml
index e7ae762..ae165d1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>MKVAudioSubtilesChanger</groupId>
     <artifactId>MKVAudioSubtitlesChanger</artifactId>
-    <version>1.2</version>
+    <version>2.0</version>
 
     <build>
         <defaultGoal>clean package</defaultGoal>
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/AttributeUpdaterKernel.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/AttributeUpdaterKernel.java
index f82553c..ade9974 100644
--- a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/AttributeUpdaterKernel.java
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/AttributeUpdaterKernel.java
@@ -1,26 +1,28 @@
 package at.pcgamingfreaks.mkvaudiosubtitlechanger;
 
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.config.Config;
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.FileCollector;
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.FileProcessor;
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileAttribute;
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.config.Config;
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileInfoDto;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.ResultStatistic;
 import lombok.SneakyThrows;
 import lombok.extern.log4j.Log4j2;
 
 import java.io.File;
+import java.io.IOException;
 import java.util.List;
-import java.util.concurrent.*;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
 
 @Log4j2
 public class AttributeUpdaterKernel {
 
-    ExecutorService executor = Executors.newFixedThreadPool(Config.getInstance().getThreadCount());
-    FileCollector collector;
-    FileProcessor processor;
-    int filesChangedAmount = 0;
-    int filesNotChangedAmount = 0;
-    long runtime = 0;
+    private final ExecutorService executor = Executors.newFixedThreadPool(Config.getInstance().getThreadCount());
+    private final FileCollector collector;
+    private final FileProcessor processor;
+    private final ResultStatistic statistic = new ResultStatistic();
 
     public AttributeUpdaterKernel(FileCollector collector, FileProcessor processor) {
         this.collector = collector;
@@ -29,33 +31,33 @@ public class AttributeUpdaterKernel {
 
     @SneakyThrows
     public void execute() {
-        long beforeTimer = System.currentTimeMillis();
-
-
+        statistic.startTimer();
 
         List<File> files = collector.loadFiles(Config.getInstance().getLibraryPath());
         files.forEach(file -> executor.submit(() -> process(file)));
         executor.shutdown();
         executor.awaitTermination(1, TimeUnit.DAYS);
 
-
-
-        runtime = System.currentTimeMillis() - beforeTimer;
-
-        System.out.printf("%nFiles %schanged: %s%n",
-                Config.getInstance().isSafeMode() ? "would " : "",
-                filesChangedAmount);
-        System.out.printf("Files %s not changed: %s%n",
-                Config.getInstance().isSafeMode() ? "would " : "",
-                filesNotChangedAmount);
-        System.out.printf("Runtime: %ss%n", runtime / 1000);
+        statistic.stopTimer();
+        System.out.println(statistic);
     }
 
     private void process(File file) {
         List<FileAttribute> attributes = processor.loadAttributes(file);
         FileInfoDto fileInfo = processor.filterAttributes(attributes);
-        if (fileInfo.isChangeNecessary() && !Config.getInstance().isSafeMode()) {
-            processor.update(file, fileInfo);
+        if (fileInfo.isChangeNecessary()) {
+            statistic.shouldChange(file, fileInfo);
+            if (!Config.getInstance().isSafeMode()) {
+                try {
+                    processor.update(file, fileInfo);
+                    statistic.success(file, fileInfo);
+                } catch (IOException e) {
+                    statistic.failure(file, fileInfo);
+                    log.warn("File couldn't be updated: {}", file.getAbsoluteFile());
+                }
+            }
+        } else {
+            statistic.fits(file, fileInfo);
         }
     }
 }
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/MKVToolProperties.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/MKVToolProperties.java
index 14618ee..53b9ddb 100644
--- a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/MKVToolProperties.java
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/MKVToolProperties.java
@@ -17,7 +17,7 @@ public class MKVToolProperties {
     }
 
     public static MKVToolProperties getInstance() {
-        if(instance == null){
+        if (instance == null) {
             instance = new MKVToolProperties();
         }
         return instance;
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/Main.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/Main.java
index 56ec26f..ca008ee 100644
--- a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/Main.java
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/Main.java
@@ -3,7 +3,6 @@ package at.pcgamingfreaks.mkvaudiosubtitlechanger;
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.config.Config;
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.MkvFileCollector;
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.MkvFileProcessor;
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.ConfigProperty;
 import lombok.extern.log4j.Log4j2;
 import org.apache.commons.cli.*;
 
@@ -27,7 +26,7 @@ public class Main {
         options.addOption("c", CONFIG.toString(), false, "path to config");
         options.addOption("t", THREADS.toString(), true, "thread count");
         options.addOption("s", SAFE_MODE.toString(), false, "Test run (no files will be changes)");
-        options.addOption(create("k", FORCED_KEYWORDS.toString(),Option.UNLIMITED_VALUES,"Additional keywords to identify forced tracks"));
+        options.addOption(create("k", FORCED_KEYWORDS.toString(), Option.UNLIMITED_VALUES, "Additional keywords to identify forced tracks"));
 
         CommandLineParser parser = new DefaultParser();
         HelpFormatter formatter = new HelpFormatter();
@@ -44,7 +43,8 @@ public class Main {
             config.setLibraryPath(cmd.getOptionValue("library"));
             config.setSafeMode(cmd.hasOption("safe-mode"));
             if (cmd.hasOption("threads")) config.setThreadCount(parseInt(cmd.getOptionValue("threads")));
-            if (cmd.hasOption(FORCED_KEYWORDS.toString())) config.getForcedKeywords().addAll(List.of(cmd.getOptionValues(FORCED_KEYWORDS.toString())));
+            if (cmd.hasOption(FORCED_KEYWORDS.toString()))
+                config.getForcedKeywords().addAll(List.of(cmd.getOptionValues(FORCED_KEYWORDS.toString())));
             config.isValid();
         } catch (ParseException e) {
             log.error(e);
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/config/Config.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/config/Config.java
index 5eeda69..6a7c871 100644
--- a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/config/Config.java
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/config/Config.java
@@ -17,7 +17,7 @@ import java.util.*;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
-import static at.pcgamingfreaks.mkvaudiosubtitlechanger.model.ConfigProperty.*;
+import static at.pcgamingfreaks.mkvaudiosubtitlechanger.model.ConfigProperty.MKV_TOOL_NIX;
 
 @Log4j2
 @Getter
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/FileProcessor.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/FileProcessor.java
index 5175e3e..5a5b105 100644
--- a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/FileProcessor.java
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/FileProcessor.java
@@ -4,6 +4,7 @@ import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileAttribute;
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileInfoDto;
 
 import java.io.File;
+import java.io.IOException;
 import java.util.List;
 
 public interface FileProcessor {
@@ -16,5 +17,5 @@ public interface FileProcessor {
 
     FileInfoDto filterAttributes(List<FileAttribute> attributes);
 
-    void update(File file, FileInfoDto fileInfo);
+    void update(File file, FileInfoDto fileInfo) throws IOException;
 }
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/MkvFileProcessor.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/MkvFileProcessor.java
index 2da348a..78d2657 100644
--- a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/MkvFileProcessor.java
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/MkvFileProcessor.java
@@ -7,7 +7,10 @@ import lombok.extern.log4j.Log4j2;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.logging.log4j.core.util.IOUtils;
 
-import java.io.*;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
 import java.util.*;
 import java.util.stream.Collectors;
 
@@ -79,10 +82,12 @@ public class MkvFileProcessor implements FileProcessor {
 
     private void detectCurrentConfiguration(List<FileAttribute> attributes, FileInfoDto info, List<FileAttribute> nonForcedTracks) {
         Set<FileAttribute> detectedForcedSubtitleLanes = new HashSet<>();
-        for (FileAttribute attribute: attributes) {
+        for (FileAttribute attribute : attributes) {
             if (attribute.isDefaultTrack() && AUDIO.equals(attribute.getType())) info.setDefaultAudioLane(attribute);
-            if (attribute.isDefaultTrack() && SUBTITLES.equals(attribute.getType())) info.setDefaultSubtitleLane(attribute);
-            if (attribute.isForcedTrack() && SUBTITLES.equals(attribute.getType())) detectedForcedSubtitleLanes.add(attribute);
+            if (attribute.isDefaultTrack() && SUBTITLES.equals(attribute.getType()))
+                info.setDefaultSubtitleLane(attribute);
+            if (attribute.isForcedTrack() && SUBTITLES.equals(attribute.getType()))
+                detectedForcedSubtitleLanes.add(attribute);
         }
 
         info.setDesiredForcedSubtitleLanes(attributes.stream()
@@ -93,13 +98,13 @@ public class MkvFileProcessor implements FileProcessor {
     }
 
     private void detectDesiredConfiguration(FileInfoDto info, List<FileAttribute> nonForcedTracks) {
-        for (AttributeConfig config: Config.getInstance().getAttributeConfig()) {
+        for (AttributeConfig config : Config.getInstance().getAttributeConfig()) {
             FileAttribute desiredAudio = null;
             FileAttribute desiredSubtitle = null;
-            for (FileAttribute attribute: nonForcedTracks) {
-                if ( attribute.getLanguage().equals(config.getAudioLanguage())
+            for (FileAttribute attribute : nonForcedTracks) {
+                if (attribute.getLanguage().equals(config.getAudioLanguage())
                         && AUDIO.equals(attribute.getType())) desiredAudio = attribute;
-                if ( attribute.getLanguage().equals(config.getSubtitleLanguage())
+                if (attribute.getLanguage().equals(config.getSubtitleLanguage())
                         && SUBTITLES.equals(attribute.getType())) desiredSubtitle = attribute;
             }
             if (desiredAudio != null && desiredSubtitle != null) {
@@ -111,7 +116,7 @@ public class MkvFileProcessor implements FileProcessor {
     }
 
     @Override
-    public void update(File file, FileInfoDto fileInfo) {
+    public void update(File file, FileInfoDto fileInfo) throws IOException {
         StringBuffer sb = new StringBuffer();
         sb.append(format("\"%s\" ", Config.getInstance().getPathFor(MkvToolNix.MKV_PROP_EDIT)));
         sb.append(format("\"%s\" ", file.getAbsolutePath()));
@@ -128,17 +133,12 @@ public class MkvFileProcessor implements FileProcessor {
             sb.append(format(ENABLE_DEFAULT_TRACK, fileInfo.getDesiredSubtitleLane().getId()));
         }
         if (fileInfo.areForcedTracksDifferent()) {
-            for (FileAttribute attribute: fileInfo.getDesiredForcedSubtitleLanes()) {
+            for (FileAttribute attribute : fileInfo.getDesiredForcedSubtitleLanes()) {
                 sb.append(format(ENABLE_FORCED_TRACK, attribute.getId()));
             }
         }
 
-        try {
-            InputStream inputstream = Runtime.getRuntime().exec(sb.toString()).getInputStream();
-            log.debug(IOUtils.toString(new InputStreamReader(inputstream)));
-        } catch (IOException e) {
-            log.warn("File couldn't be updated: {}", file.getAbsoluteFile());
-        }
+        InputStream inputstream = Runtime.getRuntime().exec(sb.toString()).getInputStream();
+        log.debug(IOUtils.toString(new InputStreamReader(inputstream)));
     }
-
 }
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/AttributeConfig.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/AttributeConfig.java
index 2849946..afd685f 100644
--- a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/AttributeConfig.java
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/AttributeConfig.java
@@ -6,8 +6,8 @@ import lombok.extern.log4j.Log4j2;
 @Log4j2
 @Getter
 public class AttributeConfig {
-    private String audioLanguage;
-    private String subtitleLanguage;
+    private final String audioLanguage;
+    private final String subtitleLanguage;
 
     public AttributeConfig(String audioLanguage, String subtitleLanguage) {
         this.audioLanguage = audioLanguage;
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/ConfigProperty.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/ConfigProperty.java
index 8d439ca..432ee1b 100644
--- a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/ConfigProperty.java
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/ConfigProperty.java
@@ -9,7 +9,7 @@ public enum ConfigProperty {
     SAFE_MODE("safe-mode"),
     HELP("help");
 
-    private String property;
+    private final String property;
 
     ConfigProperty(String property) {
         this.property = property;
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/ResultStatistic.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/ResultStatistic.java
index 8c354f0..fb21473 100644
--- a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/ResultStatistic.java
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/ResultStatistic.java
@@ -1,4 +1,53 @@
 package at.pcgamingfreaks.mkvaudiosubtitlechanger.model;
 
+import lombok.AccessLevel;
+import lombok.Getter;
+
+import java.io.File;
+
+@Getter
 public class ResultStatistic {
+    private static final String result = "Files should change: %s%n" +
+            "Files successfully changed: %s%n" +
+            "Files failed changing: %s%n" +
+            "Files already fitting config: %s%n" +
+            "Runtime: %ss";
+
+    private int filesShouldChange = 0;
+    private int filesSuccessfullyChanged = 0;
+    private int filesFailed = 0;
+    private int filesAlreadyFit = 0;
+    @Getter(AccessLevel.NONE)
+    private long startTime = 0;
+    private long runtime = 0;
+
+    public void shouldChange(File file, FileInfoDto fileInfo) {
+        filesShouldChange++;
+    }
+
+    public void success(File file, FileInfoDto fileInfo) {
+        filesSuccessfullyChanged++;
+    }
+
+    public void failure(File file, FileInfoDto fileInfo) {
+        filesFailed++;
+    }
+
+    public void fits(File file, FileInfoDto fileInfo) {
+        filesAlreadyFit++;
+    }
+
+    public void startTimer() {
+        startTime = System.currentTimeMillis();
+    }
+
+    public void stopTimer() {
+        runtime = System.currentTimeMillis() - startTime;
+    }
+
+    @Override
+    public String toString() {
+        return String.format(result, filesShouldChange, filesSuccessfullyChanged, filesFailed, filesAlreadyFit,
+                runtime / 1000);
+    }
 }