Re: Prompt messed up if PS1 contains ANSI escape sequences

[Kerin Millar]

On Thu, 7 Sep 2023 17:33:45 +0200
alex xmb ratchev <fxmbsw7@gmail.com> wrote:

> On Thu, Sep 7, 2023, 16:51 Kerin Millar <kfm@plushkava.net> wrote:
> 
> > On Thu, 7 Sep 2023 15:53:03 +0200
> > alex xmb ratchev <fxmbsw7@gmail.com> wrote:
> >
> > > On Thu, Sep 7, 2023, 15:46 Gioele Barabucci <gioele@svario.it> wrote:
> > >
> > > > On 07/09/23 15:00, alex xmb ratchev wrote:
> > > > > u have to \[ esc-seq \]
> > > > > eg inside \[ and \]
> > > > >
> > > > > PS1=$'\u\[\e[1m\]\h\[\e[0m- '
> > > > >
> > > > > should display hostname bold
> > > >
> > > > Thanks for the suggestion, but adding \] does not really fix the
> > > > problem, it just masks it in many cases (better than nothing).
> > > >
> > > > Try:
> > > >
> > > > $ long_name="$(printf 'abcdef0123456789/%.0s' {0..20})"
> > > > $ mkdir -p /tmp/$long_name
> > > > $ cd /tmp/$long_name
> > > > $ PS1='\n\[\e[1m\]\w\[\e[m\] \$ '
> > > >
> > >
> > > foo=$' .. '
> > > not
> > > foo=' .. '
> >
> > $'' quoting is not required for that particular definition of PS1.
> >
> 
> o cause \e gets expanded .. ? didnt know ..

Yes. \n also.

-- 
Kerin Millar