#! /usr/bin/env python

import pwd,grp,os,time,string,sys

def docu():
   print "Usage: %s [--per_file_report] [files]" % sys.argv[0]
   sys.exit()


def report(file):
   try:
      stats = os.stat(file)

      size=stringsize(stats[6])
   
      print 'File     : ' , file 
      print 38*'-'
      print 'Size     : ' , size
      print 'Owner    : ' , pwd.getpwuid(stats[4])[0]
      print 'Group    : ' , grp.getgrgid(stats[5])[0]
      print 'Created  : ' , time.ctime(stats[8])
      print 'Modified : ' , time.ctime(stats[9])
      print 'Accessed : ' , time.ctime(stats[7])
      print 38*'-'
      print
   except:
      print "ERROR! File " + file + " is problematic!"   


def getsize(file):
   try:
      return os.stat(file)[6]
   except:
      return 0

def stringsize(fsize):
   if fsize > 1000 and fsize < 1000000:
      return '%8.4f kB' % (fsize/1000.)
   elif fsize > 1000000:
      return '%8.4f MB' % (fsize/1000000.)
   else:
      return '%8d Bytes' % fsize 


	
if len(sys.argv) < 2 or (len(sys.argv) < 3 and sys.argv[1] == "--per_file_report"):
   docu()

fullsize = 0
per_file_report = 0
files = []
for i in sys.argv[1:]:
   if i == "--per_file_report":
      per_file_report = 1
   else:
      files.append(i)

for f in files:
   if per_file_report:   
      report(f)
   fullsize += getsize(f)

print stringsize(fullsize)