Bash - an odd problem using sed or awk or for

[Patrick O'Callaghan]

On Fri, 2012-11-30 at 21:37 -0700, Greg Woods wrote:
> On Thu, 2012-11-29 at 23:33 +0000, John Horne wrote:
> 
> > ============ (the '=' are not part of the variable)
> > abc def
> > 
> > hijk
> > xyz
> > ============
> > 
> > So in this case what is wanted is:
> > 
> > ============
> > hijk
> > xyz
> > ============
> > 
> > to be shown.
> 
> echo "$XX" | sed -e '1,/^$/d'

This will delete lines up to and including the first blank line. The
OP's problem statement isn't very clear, but I think he wants to delete
everything up to and including the last blank line, if any.

poc