99 Bottles of Beer

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Language Factor

(Factor 0.83)

Date:	08/23/06
Author:	John Kimber
URL:	n/a
Comments:	0
Info:	http://factorcode.org/
Score:	(3.03 in 204 votes)

IN: 99bottles
USING: sequences kernel prettyprint io namespaces math ;
	
: verse
	 dup dup pprint " bottles of beer on the wall, " write
		pprint  " bottles of beer." print
		"Take one down and pass it around, " write
		1- pprint " bottles of beer on the wall." print	terpri
		;

: verses-99-2  
	2 100 <reversed> head-slice* [ verse ] each ;
		
: verse-1
	 "1 bottle of beer on the wall, 1 bottle of beer." print
		"Take one down and pass it around, no more bottles of beer on the wall." print terpri
		;
		
: verse-0
	"No more bottles of beer on the wall, no more bottles of beer." print
		"Go to the store and buy some more, 99 bottles of beer on the wall." print terpri
		;
		
	verses-99-2
	verse-1
	verse-0

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one program in 1500 variations