2013/6/22 Øystein Walle <oys...@gmail.com>:
> I've gotten the impression it's better to use tput to generate the escape
> sequences instead of hardcoding them. So something like:
> local c_red='\['"$(tput setaf 1)"'\]'
> local c_green='\['"$(tput setaf 2)"'\]'
> local c_green='\['"$(tput setaf 4)"'\]'
> local c_clear='\['"$(tput sgr0)"'\]'
> which is technically cleaner, if not visually.
> The problem with that approach is that tput will be run several times for
> each prompt, so it would be best if the color variables were global. Another
> thing is that you rely on tput being available.
Are there any guidelines regarding global shell script variables?
I'm considering doing this:
__git_c_red="\[$(tput setaf 1 || echo -e '\e[31m')\]"
which handles the case where tput is not available.
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