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From: levy@ttrdc.UUCP (Daniel R. Levy)
Newsgroups: net.unix
Subject: Re: Korn Shell Question
Message-ID: <1283@ttrdc.UUCP>
Date: Thu, 30-Oct-86 13:41:19 EST
Article-I.D.: ttrdc.1283
Posted: Thu Oct 30 13:41:19 1986
Date-Received: Fri, 31-Oct-86 13:50:23 EST
References: <22300001@ntvax>
Organization: AT&T, Computer Systems Division, Skokie, IL
Lines: 47

In article <22300001@ntvax>, mike@ntvax.UUCP writes:
>
>I have a Korn Shell question that perhaps someone can answer. I like to
>have as my system prompt my current path. When I use csh, I set up my
>.cshrc file with these entries:
>  
>set prompt = "! `pwd`}"  -- this establishes my prompt as my command number
>			    and current path when i first initiate the shell
>
>alias cd 'chdir \!:1; set prompt=\!\`pwd`}\'
>			    this sets up my cd command to not only change
>			    my working directory but to change the prompt.
>
>I would like to have something similar to this in ksh but I'm not sure how
>to change PSx on the fly. Has someone done something similar to this??
>
>Any help would be greatly appreciated.
>
>
>      
>      |######################################|
>      |#         J. Michael Flanery         #|
>      |#        Computer Science Dept.      #|
>      |#     North Texas State University   #|
>      |#   UUCP: {ihnp4}!infoswx!ntvax!mike #|
>      |######################################|

In ksh, define (say) chdir as a shell function, then alias cd to it.
ksh aliases aren't recursive, so this works:

case $0 in
	*ksh)	PS1=!$PWD}
		chdir()
		{
		cd $1	# this shell function will return here if the cd fails
		PS1=!$PWD\}
		}
		alias cd=chdir
esac
-- 
 -------------------------------    Disclaimer:  The views contained herein are
|       dan levy | yvel nad      |  my own and are not at all those of my em-
|         an engihacker @        |  ployer or the administrator of any computer
| at&t computer systems division |  upon which I may hack.
|        skokie, illinois        |
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