from sys import argv
from os.path import  exists

script ,from_file,to_file =argv

print "Copying from %s to %s" %(from_file,to_file)

#we could do these two on one line too,how?
in_file = open(from_file)
indata =in_file.read()

print "The input file is %d bytes long" %len(indata)

print "Dose the output file exist? %r" %exists(to_file)
print "Ready,hit RETURN to continue,CTRL-C to abort."
raw_input()

out_file =open(to_file,'w')
out_file.write(indata)

print "Alright,all done"

out_file.close()
in_file.close()
