Création de'un fichier à partir d'un autre fichier

Bonjour j'utilise ce code pour récupérer le contenu d'un fichier txt dans autre fichier avec des nouveaux attributs .
Le problème qu'il ne récupéré pas la première ligne du fichier

id,origin,destination,capacite,eo,Em,DTM,DTD

package calcul;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class A1 {
 static String Newligne = System.getProperty("line.separator");

 public static void main(String[] args) throws Exception  {
     Class.forName("org.relique.jdbc.csv.CsvDriver");


  String csvFile = "d:/fichier.txt";
  String csvFile1 = "C:\\csv\\csv.txt";

  List<LineFile> list;
  try {
   list = ListFromTXT(csvFile);

   TXTFromList(list, csvFile1);

   List<LineFile> list1 = ListFromTXT(csvFile1);

   for (int i = 0; i < list1.size(); i++) {

    LineFile lf = list1.get(i);
   
    
    System.out.println(lf.getAttribute5() + " + "
      + lf.getAttribute6() + " = " + lf.getAttribute9());
    
   

   }

  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }

 }

 public static void TXTFromList(List<LineFile> liste_files, String file_name)
   throws IOException {
  File fichier_clt = new File(file_name);

  BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(
    fichier_clt, true));

  for (LineFile lfile : liste_files) {

   String cont = "";
   cont = cont + lfile.getAid() + ",";
   cont = cont + lfile.getAttribute2() + ",";

   cont = cont + lfile.getAttribute3() + ",";

   cont = cont + lfile.getAttribute4() + ",";

   cont = cont + lfile.getAttribute5() + ",";
   cont = cont + lfile.getAttribute6() + ",";
   cont = cont + lfile.getAttribute7() + ",";
   cont = cont + lfile.getAttribute8() + ",";
  


   cont = cont + lfile.getAttribute9();

   cont = cont + Newligne;
  

   bufferedWriter.write(cont);
  }
  bufferedWriter.close();

 }

 public static List<LineFile> ListFromTXT(String file_name)
   throws IOException {
  BufferedReader br = null;
  String line = "";
  ArrayList<LineFile> files = new ArrayList<LineFile>();

  try {

   br = new BufferedReader(new FileReader(file_name));
   int cpt = 0;
   while ((line = br.readLine()) != null) {
    if (cpt > 0) {
     String[] ls = line.split(",");

     LineFile lineFile = new LineFile();
     lineFile.setAttribute1(ls[0]);
     lineFile.setAttribute2(ls[1]);
     lineFile.setAttribute3(ls[2]);
     lineFile.setAttribute4(ls[3]);
     lineFile.setAttribute5(ls[4]);
     lineFile.setAttribute6(ls[5]);
     lineFile.setAttribute7(ls[6]);
     lineFile.setAttribute8(ls[7]);


     //
     DateFormat df = new SimpleDateFormat("yyyy-MM-dd_HH:mm");
     DateFormat df1 = new SimpleDateFormat("HH:mm");

     Calendar c1 = Calendar.getInstance();
     String date1 = lineFile.getAttribute5();
     try {
      c1.setTime(df.parse(date1));
     } catch (ParseException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
     }

     Calendar c2 = Calendar.getInstance();
     String time = lineFile.getAttribute6();

     try {
      c2.setTime(df1.parse(time));
     } catch (ParseException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
     }
     Calendar cTotal = (Calendar) c1.clone();

     cTotal.add(Calendar.HOUR_OF_DAY, c2.get(Calendar.HOUR_OF_DAY));
     cTotal.add(Calendar.MINUTE, c2.get(Calendar.MINUTE));

     String somme = df.format(cTotal.getTime());
     System.out.println(somme);
     

     lineFile.setAttribute9(somme );

     
    


     files.add(lineFile);
     
     

     
     
     
    }
    cpt++;

   }

   return files;
  } catch (FileNotFoundException e) {
   e.printStackTrace();
   return null;
  } catch (IOException e) {
   e.printStackTrace();
   return null;
  } finally {
   if (br != null) {
    try {
     br.close();
    } catch (IOException e) {
     e.printStackTrace();
     return null;
    }
   }
  }

 }

}