source: other-projects/is-sheet-music-encore/trunk/image-identification-terminal/javaAccuracyCalculator.java@ 33097

import java.io.File;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;


public class javaAccuracyCalculator{

    public static void main(String[] args) {
        
        try {
            if (args.length != 3) {
            System.out.println("Usage: imageClassifier <inputFilename> <classifierType> <outputFilename>");
            }
            else {
                String inputFilename = args[0];
                String classifierType = args[1];
                String outputFilename = args[2];
                FileReader fileReader = new FileReader(inputFilename);
                BufferedReader buf = new BufferedReader(fileReader);
                FileWriter fw = new FileWriter(outputFilename);
                String line = null;
                String[] item;
                float accuracyRate = 0;
                int trueCount   = 0;                
                int lineCount   = 0;
                
                //RENAME CLASSIFIER NUMBER TO ACTUALL CLASSIFIER
                if(classifierType.equals("1")){classifierType = "Probabilistic HoughLines";}
                
                //Splits into each record, since readLine splits by "\n"
                while ((line = buf.readLine()) != null) {
                    lineCount++;
                    //Splits by tab, leaves "" for every blank entry
                    item = line.split("\t");
                    //Check first element (true or false)
                    if(item[0].equals("1")){
                        trueCount++;
                    }                       
                }
                accuracyRate = ((float)trueCount/(float)lineCount)*(float)100;
                fw.write("Classifier:" + classifierType + "\t" + accuracyRate + "%" + "\n");        
                buf.close();
                fw.close();
                    
                //Read in log.txt, grab first item in array of each line
                //counter for everytime have readline

                //Calculate accuracy rate
                                
            }
        }
        catch(Exception e){
            System.err.println(e);
        }
    }  
 
}