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Language OPS5
(This is first OPS5 example!)
| Date: | 10/28/09 |
| Author: | Scott Hamilton |
| URL: | n/a |
| Comments: | 0 |
| Info: | http://en.wikipedia.org/wiki/OPS5 |
| Score: |  (3.00 in 2 votes) |
; The Beer Song in OPS5
;
; Author: S.Hamilton
; Version: V1.0
;
; Abstract:
; I don't have access to a OPS5 compiler any more, so this is coding
; from my memory. so if someone can compile it and update any logic/syntax
; errors.
;
(literalise Count bottles)
(literalise SecondLine)
(startup
(make Count ^bottles 99)
)
(p moreBeer
(Count ^bottles {<beerLeft> > 0})
-(SecondLine)
-->
(writeln <beerLeft>| bottle of beer on the wall, | <beerLeft> | bottle of beer.|)
(modify 1 ^bottles (compute <beerLeft>-1))
(make SecondLine)
)
(p moreBeerSecondLine
(Count ^bottles > 1 )
(SecondLine)
-->
(writeln |Take one down and pass it around, | <beerLeft> | bottles of beer on the wall.|)
(remove 2)
)
(p oneMoreBeerSecondLine
(Count ^bottles 1)
(SecondLine)
-->
(writeln |Take one down and pass it around, | <beerLeft> | bottle of beer on the wall.|)
(remove 2)
)
(p lastBeerSecondLine
(Count ^bottles 0)
(SecondLine)
-->
(writeln |Take one down and pass it around, no more bottles of beer on the wall.|)
(remove 2)
)
(p noMoreBeer
(Count ^bottles 0)
-(SecondLine)
-->
(writeln |No more bottles of beer on the wall, no more bottles of beer.|))
(writeln |Go to the store and buy some more, 99 bottles of beer on the wall.|)
(remove 1)
)
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