One of the things I discovered playing with tput last night trying
some of this is that it will error if you don't have a terminal.
ssh foo.example.com virsh start bar
tput: No value for $TERM and no -T specified
To correct this using your example you can do:
if [ -t 0 ]
then
prompt_term[0]=$(tput bold)
prompt_term[1]=$(tput setaf 1) # red
prompt_term[2]=$(tput sgr0)
export PS1='\[${prompt_term[$(($??1:0))]}\]'"\w"'\[${prompt_term[2]}\]'"
==> "
fi
On Tue, May 23, 2023 at 7:10 AM Nick Clifton <ni...@redhat.com> wrote:
>
> >> What do people think overall? Are there other pros and cons of a color
> >> prompt?
> >> Any better ideas or direction?
>
> I like the idea of using tput to get the correct strings for
> setting different terminal effects, so I now use:
>
> # Success prompt:
> prompt_term[0]=$(tput bold)
>
> # Fail prompt:
> prompt_term[1]=$(tput setaf 1) # red
>
> # Turn off all attributes
> prompt_term[2]=$(tput sgr0)
>
> # Make the prompt reflect the exit status of the last command
> export PS1='\[${prompt_term[$(($??1:0))]}\]'"\w"'\[${prompt_term[2]}\]'"
> ==> "
>
> Cheers
> Nick
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--
Jason Montleon | email: jmont...@redhat.com
Red Hat, Inc. | gpg key: 0x069E3022
Cell: 508-496-0663 | irc: jmontleo / jmontleon
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