#
# program opens a hard data file with that contains on each line
#
# name(string) hours_worked(int)  pay_per_hour(float)
#
# and generates a table the information read, plus the total pay
# for the person.
#
# sample line from input file:
# 
# Jennifer    25  11.23
#
# written by e.bonakdarian  dec 2009
#                   updated nov 2010
#

#############################################
def readFile(filename):
   # reads a file and returns a list of lines
   
   inf = open(filename, 'r')
   data = inf.readlines()
   inf.close()
   
   return data



#############################################
def processOutput(text, out_filename):
   # open and process the file, also write it
   # output file (really, this function should be
   # split up into two probably)
   #

   outf = open(out_filename, 'w')
   
   # format the output and disply both to screen and write to file
   
   # print table header
   print '%-8s %10s  %8s %10s' % ('Name', 'Hours', 'Pay', 'Total')
   print '-----------------------------------------------'

   # loop through the data 
   for line in text:
      part = line.split()

      name = part[0]
      hours = int(part[1])
      pay_rate = float(part[2])

      # output to screen
      print('%-11s  %5d   $%7.2f  $%8.2f' %
            (name, hours, pay_rate, hours * pay_rate))

      # output to file
      print >> outf, ('%-11s  %5d   $%7.2f  $%8.2f' %
                      (name, hours, pay_rate, hours * pay_rate))

   outf.close()




#############################################
def main():
   input_filename = 'pay_data.txt'
   text = readFile(input_filename)
   
   lines = len(text)
   print 'read %d lines of text from file "%s"\n' % (lines, input_filename)
   
   output_filename = 'payout.txt'
   processOutput(text, output_filename)
   print '\nOutput also written to file "%s"' % output_filename




#############################################
if __name__ == '__main__':
   main()
   raw_input('\n<enter> to exit')