Re: [PATCH] check for ctags utility in make_ctags

В письме от воскресенье, 6 января 2019 г. 17:50:36 MSK пользователь Andrew
Dunstan написал:

> > The correct way to code this is to depend on the exit code,
> > not the text output:
> >
> > if command -v etags >/dev/null
> > then
> >   : ok
> > else
> >   echo etags not found
> >   exit 1
> > fi
>
> more succinctly,
>     command -v etags >/dev/null || { echo etags not found; exit 1;}

If it is good enough for you, then is is good for me for sure...
Imported it to the patch.