/usr/share/zenlisp/remove.l is in zenlisp 2013.11.22-2.
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1 2 3 4 5 6 7 8 9 10 | ; zenlisp example program
; By Nils M Holm, 1998-2007
; See the file LICENSE for conditions of use.
; Remove members from a list.
; (remove atom '(abc #123 def #456 ghi)) => '(#123 #456)
(define (remove p x)
(filter (lambda (x) (not (p x)))
x))
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