bug#12115: Please add tip about using tac to reverse a file byte-by-byte

[Voelker, Bernhard]

Jim Meyering wrote (Thursday, August 02, 2012 2:08 PM):

> You need the double quotes around $nl with bash,
> but not with zsh:
> 
>     zsh$ nl='
>     quote> '
>     zsh$ printf %s $nl
> 
>    zsh$

For bash, one solution is:

        $ printf '\na\nb'|tac -rs '.\|'$(printf "\n")
        
        b
        a
        $

;-)

Have a nice day,
Berny