:) 21:59:07 [erich@ip-10-172-239-100 emacs]$ cd /tmp
:) 21:40:48 [erich@ip-10-172-239-100 tmp]$ mkdir x
:) 21:40:49 [erich@ip-10-172-239-100 tmp]$ cd x
:) 21:40:50 [erich@ip-10-172-239-100 x]$ python -c 'import os; os.rename("/tmp/x", "/tmp/y")'
:( 127 21:41:10 [erich@ip-10-172-239-100 x]$pwd
/tmp/y