Andreas Schwab wrote: > Jim Meyering <j...@meyering.net> writes: > >> (note that below there's the added advantage of not having to >> double-quote to include $nl and hence not having to double-backslash) > > You can have that with the variable as well.
You're right. We could write it like this: printf '\na\nb'|tac -rs '.\|'$nl or even drop the quotes altogether: printf '\na\nb'|tac -rs .\\\|$nl Golf is fun, but those seem less well suited as documentation examples.