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Date: Tue, 08 Dec 1998 13:47:39 -0600
From: Bill Hamilton <billh@finsco.com>
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To: Markus <mennis@ucsd.edu>
CC: freebsd-questions@FreeBSD.ORG
Subject: Re: prompt2
References: <366C3D88.7C67F93E@ucsd.edu>
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If you use the korn shell (ksh), you can put the following function into
your .env file.
It works for all 3 formats of cd.
Note that PS0 ... PS4 are standard. PSH is one I made up.
PS0='!: '
PSH=$(hostname)
#  function to change directories and reset prompt
.........................
function _cd {
  if (($#==0))
  then
     'cd'
     PS1="$PSH:$PWD>"
  fi

  if (($#==1))
  then
     'cd' $1
     PS1="$PSH:$PWD>"
  fi

  if (($#==2))
  then
     'cd' $1 $2
     PS1="$PSH:$PWD>"
  fi
}
# alias cd to be the _cd function
alias -x cd=_cd
# export the _cd function
typeset -fx _cd

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