run commands interspersed with sleep

sleepyrun.py

import sys
import argparse
import time
from subprocess import call

parser = argparse.ArgumentParser(description='Run a command for every line in a file, slowly.')

parser.add_argument('-s', type=float, help="Amount of seconds to sleep between commands", default=1.0)
parser.add_argument('file', type=file)
parser.add_argument('prefix', nargs=argparse.REMAINDER)

args = parser.parse_args()

for line in args.file:
    time.sleep(args.s)
    call(args.prefix + [line.strip()])