#!/usr/bin/python

# Search for files upward from current working directory

import os
import stat
import sys


def upfind(file):
    dir = os.getcwd()
    fullpath = os.path.join(dir, file)

    while not os.path.isfile(fullpath):
        if dir == "/":
            break
        dir = os.path.dirname(dir)
        fullpath = os.path.join(dir, file)

    return fullpath if os.path.isfile(fullpath) else None

if __name__ == "__main__":
    for path in filter(None, [upfind(arg) for arg in sys.argv[1:]]):
        print path