How To: set PS1 to show users "current" directory?

[Lindsay Wakeman]

In csh .login I use:

  cd
  alias cd 'cd \!*; set prompt="$cwd :"'

JANET: law at uk.ac.lon.ioe			| Lindsay Wakeman
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JANET: law at uk.ac.lon.ioe			| Lindsay Wakeman
EARN/BITNET: law%ioe.lon.ac.uk at ukacrl.bitnet	| Institute of Education
INTERNET:law%ioe.lon.ac.uk at nsfnet-relay.ac.uk	| 20 Bedford Way London WC1H OAL
UUCP: !mcvax!ukc!educ-isis!law			| VOICE +44 71 636 1500 ext.512