check path-related functions in os.path

path.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

# put this script in the path like
# assumed /tmp (cwd)
# /tmp/dir1/dir2/path.py
# /tmp/dir3 symlinked to /tmp/dir1/dir2
#
# and run with
# python ../tmp/hello3/path.py

from os import getcwd
from os.path import normpath, abspath, realpath, join
import sys

p = sys.argv[0]

print "origin: %s" % p
print "normpath: %s" % normpath(p)
print "abspath: %s" % abspath(p)
print "realpath: %s" % realpath(p)
print "normpath(join(getcwd(), p): %s" % normpath(join(getcwd(), p))

golang: https://gist.github.com/4316644#file-path-go