Re: truncating the path in the bash prompt?

[Dan Nicolaescu]

Dan Nicolaescu <dann@ics.uci.edu> writes:

  > In tcsh  %c can be used to only show the last few directory names in a
  > path (also see the ellipsis variable). 
  > 
  > For example for this directory: 
  > 
  > /lib/modules/2.6.21-1.3194.fc7/kernel/drivers/char/hw_random/
  > 
  > the prompt can look like this:
  > 
  > user@machine:...drivers/char/hw_random> 
  > 
  > when using: set prompt = "%n@%m:%c03%# "
  > 
  > Given the tendency of directory hierarchies to get deeper, it is very
  > useful to be able to see some more context, so it would be great if
  > bash also supported something similar.
  > Sure, this can be implemented by using shell commands to set the
  > prompt, but it would be much nicer if it was built in.
  > 
  > Thanks

Any comments on this old posting?