old_contents: from Config import result_PREFIX,merged_Filename
  import os,io
  import csv
  
  def merge_the_result(filenames):
      totalfile = file(os.path.join(result_PREFIX,merged_Filename),'wb')
      out = csv.writer(totalfile)
  
      # the flag to determine whether the first line is output or not
      Never_OUTPUT= True
  
      count = 0
      lines =0
  
      f = open('report.txt', 'wb')
  
      # write legal files
      for filedir in sorted(filenames):
          print filedir
          if filedir== merged_Filename or filedir.split('.')[-1]!='csv':
              continue
  
          # csv writer
          csvfile= file(os.path.join(result_PREFIX,filedir),'rb')
          o = csv.reader(csvfile)
  
          for line in o:
              #First line
              if line[0]=='NAME':
                  if Never_OUTPUT:
                      out.writerow(line)
                      Never_OUTPUT= False
                  continue
  
              #Not the first line
              out.writerow(line)
              lines+=1
  
          count+=1
          print 'Successfully merge {}'.format(filedir)
          f.write('{} lines are valid in {}'.format(lines-1,filedir))
  
          csvfile.close()
  
      print '{} files and {} lines are merged into one called {}'.format(count,lines,merged_Filename)
  
      f.write('{} files and {} lines are merged into one called {}'.format(count,lines,merged_Filename))
      f.close()
      totalfile.close()
  
  if __name__=='__main__':
  
      filenames= os.listdir(result_PREFIX)
      merge_the_result(filenames)
  
new_contents: from Config import result_PREFIX,merged_Filename
  import os,io
  import csv
  
  def merge_the_result(filenames):
      totalfile = file(os.path.join(result_PREFIX,merged_Filename),'wb')
      out = csv.writer(totalfile)
  
      # the flag to determine whether the first line is output or not
      Never_OUTPUT= True
  
      count = 0
      lines =0
  
      f = open('report.txt', 'wb')
  
      # write legal files
      for filedir in sorted(filenames):
          print filedir
          if filedir== merged_Filename or filedir.split('.')[-1]!='csv':
              continue
  
          # csv writer
          csvfile= file(os.path.join(result_PREFIX,filedir),'rb')
          o = csv.reader(csvfile)
  
          for line in o:
              #First line
              if line[0]=='NAME':
                  if Never_OUTPUT:
                      out.writerow(line)
                      Never_OUTPUT= False
                  continue
  
              #Not the first line
              out.writerow(line)
              lines+=1
  
          count+=1
          print 'Successfully merge {}'.format(filedir)
          f.write('{} lines are valid in {}'.format(lines-1,filedir))
  
          csvfile.close()
  
      print '{} files and {} lines are merged into one called {}'.format(count,lines,merged_Filename)
  
      f.write('{} files and {} lines are merged into one called {}'.format(count,lines,merged_Filename))
      f.close()
      totalfile.close()
  
  if __name__=='__main__':
  
      filenames= os.listdir(result_PREFIX)
      result = []
      for filename in filenames:
          if 'filter' in filename:
              result.append(filename)
      merge_the_result(result)
  
subject: update merger