new_contents: #!/usr/bin/python
  import sys
  import time
  
  if len(sys.argv) == 1:
  	wday = time.localtime()[6]    # weekday w/ 0 == Monday
  	if wday == 0:   
  		numDays = 3   
  	elif wday == 6:
  		numDays = 2
  	else:
  		numDays = 1
  else:
  	numDays = int(sys.argv[1])
  
  secs = time.time() - (60*60*24*numDays)
  print time.strftime("%m-%d",time.localtime(secs))
  
subject: Add dayBefore.py