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From: jpe@egr.duke.edu (John P. Eisenmenger)
Newsgroups: comp.unix.shell,comp.unix.internals,comp.unix.programmer
Subject: Re: Alias to change path on the fly
Message-ID: <1178@cameron.egr.duke.edu>
Date: 8 Nov 90 23:02:56 GMT
References: <1990Nov8.014515.13882@cpsc.ucalgary.ca>
Sender: news@egr.duke.edu
Followup-To: comp.unix.shell
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From article <1990Nov8.014515.13882@cpsc.ucalgary.ca>, by paquette@cs-sun-fsa.cpsc.ucalgary.ca (Trevor Paquette):
>  So the new aliases should be:
> alias host '`echo set path=\($path\)|sed s/itaqc/itahost/|sed s/itasc/itahost/`'
> alias qc   '`echo set path=\($path\)|sed s/itahost/itaqc/|sed s/itasc/itaqc/  `'
> alias sc   '`echo set path=\($path\)|sed s/itaqc/itasc/  |sed s/itahost/itasc/`'
>   But these new aliases give me the following error: 
> 
> `echo set path=\($path\)|sed s/itaqc/itahost/|sed s/itasc/itahost/`: Ambiguous
> 
>  What am I doing wrong???????????

try these:

alias host 'set path = ( `echo $path | sed -e s/itaqc/itahost/ -e s/itasc/itahost/` )
alias qc   'set path = ( `echo $path | sed -e s/itahost/itaqc/ -e s/itasc/itaqc/`   )
alias sc   'set path = ( `echo $path | sed -e s/itahost/itasc/ -e s/itaqc/itasc/`   )

-John