Execute a command on each line in input using the line as parameter

each

#!/usr/bin/env python
# Example usage:
# ls|each cd PARAM\;pwd

import sys, subprocess

command = " ".join(sys.argv[1:])
command = command.replace("PARAM", "%(p)s")
i = 0
for parameter in sys.stdin.readlines():
    c = command % {'p': parameter.strip()}
    print "***", c
    p = subprocess.Popen(c, shell=True, executable="/bin/bash")
    p.wait()
    i += 1
print "Executed %d times" % i

Equivalente a:

find . -maxdepth 1 -type d -exec sh -c "cd {}; pwd"