First attempt at command line arguments

src/main/java/MatchingFileWriter.java

@@ -7,6 +7,7 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.StandardOpenOption;
 import java.util.List;
+import java.util.regex.Pattern;
 
 
 public class MatchingFileWriter {
@@ -28,6 +29,13 @@ public class MatchingFileWriter {
         this.allResults = result.getAllResults();
     }
 
+    public void writeErrorRateToTerminal(){
+        for(String s: comments){
+            if(s.matches("(Pairing error rate: )(\\d*.\\d+)")){
+                System.out.println(s);
+            }
+        }
+    }
     public void writeResultsToFile(){
         String[] headerStrings = new String[headers.size()];
         for(int i = 0; i < headers.size(); i++){