metasnap.py

import os
import sys

def main():
    root = sys.argv[1]
    if not os.path.isdir(root):
        print("Not a directory:", root)
        sys.exit(1)

    for (r, d, f) in os.walk(root):
        directories = [(os.path.join(r, dn), "d") for dn in d]
        filenames = [(os.path.join(r, fn), "f") for fn in f]

        for (p, k) in directories + filenames:
            p = os.path.abspath(p)
            try: stat = os.lstat(p)
            except OSError:
                continue

            args = (k, int(stat.st_size), int(stat.st_mtime), p)
            entry = "%s %s %s %s" % args

            try: print(entry)
            except IOError:
                sys.exit(0)

if __name__ == "__main__":
    main()