Each in Python

each.py

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

rootdir = os.getcwd();
command = sys.argv[1:]

files = [f for f in os.listdir('.') if os.path.isdir(f)]
for f in files:
    print '\033[92m', 'Working in directory', f, '\033[0m'
    os.chdir(os.path.join(rootdir, f))
    call(command)