no "shift" to pluck off high numbered parameters

[Dan Jacobson]

Gentlemen, "shift" plucks parameters off the low end of $*.  There is
no corresponding "shift" to pluck parameters from the high end of $*.
Prejudice I tell ya!

set a b c d e f g h i j
shift 2 #bye bye a b
shift -2 #bye bye i j #I wish
shift 0 #bye bye all of them #I wish

Oh, and while I'm here yapping my jaws:

Unfair!  Positional parameters always referred from the left: $1,
$2... No $-1, $-2 ... to refer from the right end of the list!
Leftist conspiracy.
Wait, there is a painful way:
$ set a b c d e f
$ eval echo \$$(($#-1))
e
And I bet tons more ways that I don't know about.
-- 
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