useless cat fix

robocode-svm

@@ -76,7 +76,7 @@ run_battle() {
 	# Run battle without GUI, following the settings file, save the results into file
 	robocode "$gui" -battle "$(pwd)/$settings" -results "$(pwd)/$results" > /dev/null
 	# Obtain the winner from the results file 
-  	cat "$results" | tail -2 | awk 'NR==1F {print $2}'
+  	 tail -2 < "$results" | awk 'NR==1F {print $2}'
 }
 
 # Generate the missing amount of data from running battles