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;;; The format string in Common Lisp is almost a
;;; language on its own. Here's a Lisp version
;;; that shows its power. Hope you find it 
;;; entertaining.
 
(in-package "CL-USER")
 
(defun bottle-song (&optional (in-stock 99) (stream *standard-output*))
 
  ;; Original idea and primary coding by Geoff Summerhayes
  ;;   <sumrnot@hotmail.com>
  ;; Formatting idea by Fred Gilham <gilham@snapdragon.csl.sri.com>
  ;; Actual formatting & minor recoding by Kent M Pitman
  ;;   <pitman@world.std.com>
 
  (format
 
           stream 
         "-----~2%~
          ~{~&~1&~
          ~[~^~:;~
          ~1:*~@(~
          ~R~) bo~
         ttle~:P o~
        f beer on t~
      he wall~01:*~[.~
      ~:;,~%~1:*~@(~R~
      ~) bottle~:*~P ~
      of beer.~%You t~
      ake one down, p~
      ass it around, ~
      ~01%~[*No* more~
      ~:;~:01*~@(~R~)~
      ~] bottle~:*~P ~
      of beer on the ~
      wall.~2&-----~%~
      ~1%~:*~]~]~}~0%"
 
   (loop for bottle from in-stock downto 0 collect bottle)))
 
 
(bottle-song)

; compiling file "/home/N6mIUx/prog.lisp" (written 02 MAR 2019 10:29:22 AM):
; compiling (IN-PACKAGE "CL-USER")
; compiling (DEFUN BOTTLE-SONG ...)
; file: /home/N6mIUx/prog.lisp
; in: DEFUN BOTTLE-SONG
;     (FORMAT STREAM "-----~2%~
;             ~{~&~1&~
;             ~[~^~:;~
;             ~1:*~@(~
;             ~R~) bo~
;            ttle~:P o~
;           f beer on t~
;         he wall~01:*~[.~
;         ~:;,~%~1:*~@(~R~
;         ~) bottle~:*~P ~
;         of beer.~%You t~
;         ake one down, p~
;         ass it around, ~
;         ~01%~[*No* more~
;         ~:;~:01*~@(~R~)~
;         ~] bottle~:*~P ~
;         of beer on the ~
;         wall.~2&-----~%~
;         ~1%~:*~]~]~}~0%"
;             (LOOP FOR BOTTLE FROM IN-STOCK DOWNTO 0
;                   COLLECT BOTTLE))
; 
; caught WARNING:
;   error in FORMAT: Parameters found after #\: or #\@ modifier
;     -----~2%~
;             ~{~&~1&~
;             ~[~^~:;~
;             ~1:*~@(~
;             ~R~) bo~
;            ttle~:P o~
;           f beer on t~
;         he wall~01:*~[.~
;         ~:;,~%~1:*~@(~R~
;         ~) bottle~:*~P ~
;         of beer.~%You t~
;         ake one down, p~
;         ass it around, ~
;         ~01%~[*No* more~
;         ~:;~:01*~@(~R~)~
;         ~] bottle~:*~P ~
;         of beer on the ~
;         wall.~2&-----~%~
;         ~1%~:*~]~]~}~0%
;                                                                                                                                                                                                                                                                                                                ^
;   See also:
;     The ANSI Standard, Section 22.3
; 
; caught ERROR:
;   during macroexpansion of
;   (FORMATTER "-----~2%~
;             ~{~&~1&~
;             ~[~^~:;~
;             ~1:*~@(~
;             ~R~) bo~
;            ttle~:P o~
;           f beer on t~
;         he wall~01:*~[.~
;         ~:;,~%~1:*~@(~R~
;         ~) bottle~:*~P ~
;         of beer.~%You t~
;         ake one down, p~
;         ass it around, ~
;         ~01%~[*No* more~
;         ~:;~:01*~@(~R~)~
;         ~] bottle~:*~P ~
;         of beer on the ~
;         wall.~2&-----~%~
;         ~1%~:*~]~]~}~0%").
;   Use *BREAK-ON-SIGNALS* to intercept.
;   
;    error in FORMAT: Parameters found after #\: or #\@ modifier
;     -----~2%~
;             ~{~&~1&~
;             ~[~^~:;~
;             ~1:*~@(~
;             ~R~) bo~
;            ttle~:P o~
;           f beer on t~
;         he wall~01:*~[.~
;         ~:;,~%~1:*~@(~R~
;         ~) bottle~:*~P ~
;         of beer.~%You t~
;         ake one down, p~
;         ass it around, ~
;         ~01%~[*No* more~
;         ~:;~:01*~@(~R~)~
;         ~] bottle~:*~P ~
;         of beer on the ~
;         wall.~2&-----~%~
;         ~1%~:*~]~]~}~0%
;                                                                                                                                                                                                                                                                                                                ^
;   See also:
;     The ANSI Standard, Section 22.3

; ==>
;   (FORMAT SB-C::DEST
;           (FORMATTER "-----~2%~
;           ~{~&~1&~
;           ~[~^~:;~
;           ~1:*~@(~
;           ~R~) bo~
;          ttle~:P o~
;         f beer on t~
;       he wall~01:*~[.~
;       ~:;,~%~1:*~@(~R~
;       ~) bottle~:*~P ~
;       of beer.~%You t~
;       ake one down, p~
;       ass it around, ~
;       ~01%~[*No* more~
;       ~:;~:01*~@(~R~)~
;       ~] bottle~:*~P ~
;       of beer on the ~
;       wall.~2&-----~%~
;       ~1%~:*~]~]~}~0%")
;           #:G7)
; 
; note: The second argument never returns a value.

; compiling (BOTTLE-SONG); 
; compilation unit finished
;   caught 1 ERROR condition
;   caught 1 WARNING condition
;   printed 1 note


; /home/N6mIUx/prog.fasl written
; compilation finished in 0:00:00.128
Unhandled SIMPLE-ERROR in thread #<SB-THREAD:THREAD "main thread" RUNNING
                                    {1001E07133}>:
  compilation failed

Backtrace for: #<SB-THREAD:THREAD "main thread" RUNNING {1001E07133}>
0: (SB-DEBUG::DEBUGGER-DISABLED-HOOK #<SIMPLE-ERROR "compilation failed" {1001FA6E03}> #<unavailable argument>)
1: (SB-DEBUG::RUN-HOOK *INVOKE-DEBUGGER-HOOK* #<SIMPLE-ERROR "compilation failed" {1001FA6E03}>)
2: (INVOKE-DEBUGGER #<SIMPLE-ERROR "compilation failed" {1001FA6E03}>)
3: (ERROR "compilation failed")
4: (SB-INT:SIMPLE-EVAL-IN-LEXENV (ERROR "compilation failed") #<NULL-LEXENV>)
5: (SB-INT:SIMPLE-EVAL-IN-LEXENV (WHEN (NTH-VALUE 2 (COMPILE-FILE "prog.lisp")) (ERROR "compilation failed")) #<NULL-LEXENV>)
6: (EVAL (WHEN (NTH-VALUE 2 (COMPILE-FILE "prog.lisp")) (ERROR "compilation failed")))
7: (SB-IMPL::PROCESS-EVAL/LOAD-OPTIONS ((:EVAL . "(when(nth-value 2(compile-file \"prog.lisp\"))(error \"compilation failed\"))") (:EVAL . "(quit)")))
8: (SB-IMPL::TOPLEVEL-INIT)
9: ((FLET #:WITHOUT-INTERRUPTS-BODY-77 :IN SAVE-LISP-AND-DIE))
10: ((LABELS SB-IMPL::RESTART-LISP :IN SAVE-LISP-AND-DIE))

unhandled condition in --disable-debugger mode, quitting

Standard output is empty