Prompt changing on the fly

[Charles Shub]

In article <432 at ethz.UUCP> wyle at ethz.UUCP (Mitchell Wyle) writes:
>Does anyone out there have a shell script / program to change
>the prompt DYNAMICALLY after each [CR]?
>
it is simple to define a command/alias to set your prompt and then redefine
commands to also set your prompt

alias cd 'chdir \!*;SP'
alias SP 'set prompt="$MACHINE-`basename $cwd` \! > "'

then the prompt does what you want