from sys import argv
from os.path import exists

script , from_file, to_file = argv

print("Copying from %r to %r " %(from_file,to_file))
in_file =open(from_file)
indata= in_file.read()

print("The input file is %r bytes long" %len(indata))
print("Does the output file exist ? %r" %exists(to_file))
print("Ready , hit RETURN to continue , CTRL-C to abort.")
input()
out_file=open(to_file ,'w')
out_file.write(indata)
print("Alright,all done.")
out_file.close()
in_file.close()
