python script to send bunch of uboot envs to uart

envsend.py

import os,sys
import time
f=open(  sys.argv[1])
for line in f:
    line = line.strip(' \r\n')
    args=line.split('=')
    key = args[0]
    val= '='.join(args[1:])
    if len(args)>1:
        sline = "setenv {0} '{1}'".format( key, val)
        print sline
    time.sleep(0.09)
f.close()