Re: [bug] Home dir in PS1 not abbreviated to tilde

[dethrophes]

Am 13.03.2012 16:42, schrieb Eric Blake:
> On 03/13/2012 09:27 AM, Eric Blake wrote:
> > Be aware that both approaches will misbehave if HOME is a root directory
> > (/ or //), where you _don't_ want to strip trailing slashes.  So you
> > really want:
> >
> > case $HOME in
> >    *[^/]* ) HOME=${HOME%${HOME##*[^/]}} ;;
> > esac
> Actually, shortening /// to / is okay (it's only // that must not
> unconditionally be shortened to /, due to POSIX specification and Cygwin
> behavior of //), so a modified version would be:
>
> case $HOME in
>    *[^/]* ) HOME=${HOME%${HOME##*[^/]}} ;;
>    / | // ) ;;
>    *) HOME=/ ;;
> esac
wouldn't this be better?

case "$HOME" in
  / | // ) ;;
  * ) HOME="${HOME%${HOME##*[^/]}}" ;;
esac