Plan 9 from Bell Labs’s /usr/web/sources/contrib/jas/root/sys/src/cmd/hg/tests/readlink.py
#!/usr/bin/env python import errno, os, sys for f in sys.argv[1:]: try: print f, '->', os.readlink(f) except OSError, err: if err.errno != errno.EINVAL: raise print f, 'not a symlink' sys.exit(0)