99 Bottles of Beer

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Language iForth

(ANS Forth with extensions)

Date:	09/25/05
Author:	Marcel Hendrix
URL:	http://home.iae.nl/users/mhx/index.html
Comments:	1
Info:	http://home.iae.nl/users/mhx/
Score:	(3.00 in 54 votes)

\ iForth version of 99 Bottles of beer
: BOB ( n -- ) 
	DUP IF DUP . ELSE ." no more " ENDIF ." bottle" ?S ."  of beer" ;

: sing ( -- )
	 1 99 DO 
		 CR I BOB ."  on the wall, " I BOB [CHAR] . EMIT
	      	 CR ." Take one down, pass it around, " 
		 I 1- BOB ."  on the wall."
	-1 +LOOP ;

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Alternative Versions

Comments

Chad R. Larson said on 04/23/08 05:18:45

Forgot the definition of ?S.

Here's my own:
: ?S 1 = IF ELSE ." s" THEN ;

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one program in 1500 variations