#!/usr/bin/env -S guile
!#

(use-modules (ice-9 textual-ports)
             (srfi srfi-197)
             (radix utils))

(for-each (lambda (line)
            (display line)
            (newline))
          (chain (current-input-port)
                 (get-string-all _)
                 (string-split _ #\newline)
                 (duplicates _)))