Re: BUG?: (or what's going on?) test for NL == NL fails (bash-4.3.39(3)-release)

[Linda Walsh]

Charles Daffern wrote:
> On 02/08/15 20:30, Linda Walsh wrote:
> > >  if [[ $(printf "\n") == $'\n' ]]; then echo T; else echo F; fi
> > F
>
> The command substitution operators ($(...) and `...`) strip all trailing
> linefeeds. You are left with an empty string here.
>
> The usual workarounds I see (where necessary) are hacks like this:
>
> variable=$(command; echo x); variable=${variable%?x}
----
        I see what you mean --- erk...
I think the process substitution doesn't, since you need
to explicitly use a -t switch if you want to strip the "\n"'s off

Thanks!