copy and paste files when using separate shells

cop

#!/usr/bin/python

import sys,os
clip = os.environ['HOME']+'/.fileclip'
path = sys.argv[1]
f=open(clip,'w')
f.write(os.getcwd()+'/'+path)
f.close()

pas

#!/usr/bin/python
from subprocess import call
import os

f=open(os.environ['HOME']+'/.fileclip','r')
path = f.read()
f.close()
call(["cp", "-a",path,"."])