99 Bottles of Beer

I don't drink beer but the song "99 Bottles of Beer" is an interesting one to program. Here is the source code in Groovy:

def bottles (n){

    if (n == 1)  "1 bottle"

    else if (n == 0) "no more bottles"

    else "${n} bottles";

}



for (x in (99..0)) {

    println "${bottles(x).replaceFirst("n", "N")} of beer on the wall, ${bottles(x)} of beer."    

    if (x!=0)

        println    "Take one down and pass it around, ${bottles(x-1)} of beer on the wall."

    else println "Go to the store and buy some more, 99 bottles of beer on the wall."    

}

And here is the output showing the song:

         99 bottles of beer on the wall, 99 bottles of beer.          
  Take one down and pass it around, 98 bottles of beer on the wall.   
         98 bottles of beer on the wall, 98 bottles of beer.          
  Take one down and pass it around, 97 bottles of beer on the wall.   
         97 bottles of beer on the wall, 97 bottles of beer.          
  Take one down and pass it around, 96 bottles of beer on the wall.   
         96 bottles of beer on the wall, 96 bottles of beer.          
  Take one down and pass it around, 95 bottles of beer on the wall.   
         95 bottles of beer on the wall, 95 bottles of beer.          
  Take one down and pass it around, 94 bottles of beer on the wall.   
         94 bottles of beer on the wall, 94 bottles of beer.          
  Take one down and pass it around, 93 bottles of beer on the wall.   
         93 bottles of beer on the wall, 93 bottles of beer.          
  Take one down and pass it around, 92 bottles of beer on the wall.   
         92 bottles of beer on the wall, 92 bottles of beer.          
  Take one down and pass it around, 91 bottles of beer on the wall.   
         91 bottles of beer on the wall, 91 bottles of beer.          
  Take one down and pass it around, 90 bottles of beer on the wall.   
         90 bottles of beer on the wall, 90 bottles of beer.          
  Take one down and pass it around, 89 bottles of beer on the wall.   
         89 bottles of beer on the wall, 89 bottles of beer.          
  Take one down and pass it around, 88 bottles of beer on the wall.   
         88 bottles of beer on the wall, 88 bottles of beer.          
  Take one down and pass it around, 87 bottles of beer on the wall.   
         87 bottles of beer on the wall, 87 bottles of beer.          
  Take one down and pass it around, 86 bottles of beer on the wall.   
         86 bottles of beer on the wall, 86 bottles of beer.          
  Take one down and pass it around, 85 bottles of beer on the wall.   
         85 bottles of beer on the wall, 85 bottles of beer.          
  Take one down and pass it around, 84 bottles of beer on the wall.   
         84 bottles of beer on the wall, 84 bottles of beer.          
  Take one down and pass it around, 83 bottles of beer on the wall.   
         83 bottles of beer on the wall, 83 bottles of beer.          
  Take one down and pass it around, 82 bottles of beer on the wall.   
         82 bottles of beer on the wall, 82 bottles of beer.          
  Take one down and pass it around, 81 bottles of beer on the wall.   
         81 bottles of beer on the wall, 81 bottles of beer.          
  Take one down and pass it around, 80 bottles of beer on the wall.   
         80 bottles of beer on the wall, 80 bottles of beer.          
  Take one down and pass it around, 79 bottles of beer on the wall.   
         79 bottles of beer on the wall, 79 bottles of beer.          
  Take one down and pass it around, 78 bottles of beer on the wall.   
         78 bottles of beer on the wall, 78 bottles of beer.          
  Take one down and pass it around, 77 bottles of beer on the wall.   
         77 bottles of beer on the wall, 77 bottles of beer.          
  Take one down and pass it around, 76 bottles of beer on the wall.   
         76 bottles of beer on the wall, 76 bottles of beer.          
  Take one down and pass it around, 75 bottles of beer on the wall.   
         75 bottles of beer on the wall, 75 bottles of beer.          
  Take one down and pass it around, 74 bottles of beer on the wall.   
         74 bottles of beer on the wall, 74 bottles of beer.          
  Take one down and pass it around, 73 bottles of beer on the wall.   
         73 bottles of beer on the wall, 73 bottles of beer.          
  Take one down and pass it around, 72 bottles of beer on the wall.   
         72 bottles of beer on the wall, 72 bottles of beer.          
  Take one down and pass it around, 71 bottles of beer on the wall.   
         71 bottles of beer on the wall, 71 bottles of beer.          
  Take one down and pass it around, 70 bottles of beer on the wall.   
         70 bottles of beer on the wall, 70 bottles of beer.          
  Take one down and pass it around, 69 bottles of beer on the wall.   
         69 bottles of beer on the wall, 69 bottles of beer.          
  Take one down and pass it around, 68 bottles of beer on the wall.   
         68 bottles of beer on the wall, 68 bottles of beer.          
  Take one down and pass it around, 67 bottles of beer on the wall.   
         67 bottles of beer on the wall, 67 bottles of beer.          
  Take one down and pass it around, 66 bottles of beer on the wall.   
         66 bottles of beer on the wall, 66 bottles of beer.          
  Take one down and pass it around, 65 bottles of beer on the wall.   
         65 bottles of beer on the wall, 65 bottles of beer.          
  Take one down and pass it around, 64 bottles of beer on the wall.   
         64 bottles of beer on the wall, 64 bottles of beer.          
  Take one down and pass it around, 63 bottles of beer on the wall.   
         63 bottles of beer on the wall, 63 bottles of beer.          
  Take one down and pass it around, 62 bottles of beer on the wall.   
         62 bottles of beer on the wall, 62 bottles of beer.          
  Take one down and pass it around, 61 bottles of beer on the wall.   
         61 bottles of beer on the wall, 61 bottles of beer.          
  Take one down and pass it around, 60 bottles of beer on the wall.   
         60 bottles of beer on the wall, 60 bottles of beer.          
  Take one down and pass it around, 59 bottles of beer on the wall.   
         59 bottles of beer on the wall, 59 bottles of beer.          
  Take one down and pass it around, 58 bottles of beer on the wall.   
         58 bottles of beer on the wall, 58 bottles of beer.          
  Take one down and pass it around, 57 bottles of beer on the wall.   
         57 bottles of beer on the wall, 57 bottles of beer.          
  Take one down and pass it around, 56 bottles of beer on the wall.   
         56 bottles of beer on the wall, 56 bottles of beer.          
  Take one down and pass it around, 55 bottles of beer on the wall.   
         55 bottles of beer on the wall, 55 bottles of beer.          
  Take one down and pass it around, 54 bottles of beer on the wall.   
         54 bottles of beer on the wall, 54 bottles of beer.          
  Take one down and pass it around, 53 bottles of beer on the wall.   
         53 bottles of beer on the wall, 53 bottles of beer.          
  Take one down and pass it around, 52 bottles of beer on the wall.   
         52 bottles of beer on the wall, 52 bottles of beer.          
  Take one down and pass it around, 51 bottles of beer on the wall.   
         51 bottles of beer on the wall, 51 bottles of beer.          
  Take one down and pass it around, 50 bottles of beer on the wall.   
         50 bottles of beer on the wall, 50 bottles of beer.          
  Take one down and pass it around, 49 bottles of beer on the wall.   
         49 bottles of beer on the wall, 49 bottles of beer.          
  Take one down and pass it around, 48 bottles of beer on the wall.   
         48 bottles of beer on the wall, 48 bottles of beer.          
  Take one down and pass it around, 47 bottles of beer on the wall.   
         47 bottles of beer on the wall, 47 bottles of beer.          
  Take one down and pass it around, 46 bottles of beer on the wall.   
         46 bottles of beer on the wall, 46 bottles of beer.          
  Take one down and pass it around, 45 bottles of beer on the wall.   
         45 bottles of beer on the wall, 45 bottles of beer.          
  Take one down and pass it around, 44 bottles of beer on the wall.   
         44 bottles of beer on the wall, 44 bottles of beer.          
  Take one down and pass it around, 43 bottles of beer on the wall.   
         43 bottles of beer on the wall, 43 bottles of beer.          
  Take one down and pass it around, 42 bottles of beer on the wall.   
         42 bottles of beer on the wall, 42 bottles of beer.          
  Take one down and pass it around, 41 bottles of beer on the wall.   
         41 bottles of beer on the wall, 41 bottles of beer.          
  Take one down and pass it around, 40 bottles of beer on the wall.   
         40 bottles of beer on the wall, 40 bottles of beer.          
  Take one down and pass it around, 39 bottles of beer on the wall.   
         39 bottles of beer on the wall, 39 bottles of beer.          
  Take one down and pass it around, 38 bottles of beer on the wall.   
         38 bottles of beer on the wall, 38 bottles of beer.          
  Take one down and pass it around, 37 bottles of beer on the wall.   
         37 bottles of beer on the wall, 37 bottles of beer.          
  Take one down and pass it around, 36 bottles of beer on the wall.   
         36 bottles of beer on the wall, 36 bottles of beer.          
  Take one down and pass it around, 35 bottles of beer on the wall.   
         35 bottles of beer on the wall, 35 bottles of beer.          
  Take one down and pass it around, 34 bottles of beer on the wall.   
         34 bottles of beer on the wall, 34 bottles of beer.          
  Take one down and pass it around, 33 bottles of beer on the wall.   
         33 bottles of beer on the wall, 33 bottles of beer.          
  Take one down and pass it around, 32 bottles of beer on the wall.   
         32 bottles of beer on the wall, 32 bottles of beer.          
  Take one down and pass it around, 31 bottles of beer on the wall.   
         31 bottles of beer on the wall, 31 bottles of beer.          
  Take one down and pass it around, 30 bottles of beer on the wall.   
         30 bottles of beer on the wall, 30 bottles of beer.          
  Take one down and pass it around, 29 bottles of beer on the wall.   
         29 bottles of beer on the wall, 29 bottles of beer.          
  Take one down and pass it around, 28 bottles of beer on the wall.   
         28 bottles of beer on the wall, 28 bottles of beer.          
  Take one down and pass it around, 27 bottles of beer on the wall.   
         27 bottles of beer on the wall, 27 bottles of beer.          
  Take one down and pass it around, 26 bottles of beer on the wall.   
         26 bottles of beer on the wall, 26 bottles of beer.          
  Take one down and pass it around, 25 bottles of beer on the wall.   
         25 bottles of beer on the wall, 25 bottles of beer.          
  Take one down and pass it around, 24 bottles of beer on the wall.   
         24 bottles of beer on the wall, 24 bottles of beer.          
  Take one down and pass it around, 23 bottles of beer on the wall.   
         23 bottles of beer on the wall, 23 bottles of beer.          
  Take one down and pass it around, 22 bottles of beer on the wall.   
         22 bottles of beer on the wall, 22 bottles of beer.          
  Take one down and pass it around, 21 bottles of beer on the wall.   
         21 bottles of beer on the wall, 21 bottles of beer.          
  Take one down and pass it around, 20 bottles of beer on the wall.   
         20 bottles of beer on the wall, 20 bottles of beer.          
  Take one down and pass it around, 19 bottles of beer on the wall.   
         19 bottles of beer on the wall, 19 bottles of beer.          
  Take one down and pass it around, 18 bottles of beer on the wall.   
         18 bottles of beer on the wall, 18 bottles of beer.          
  Take one down and pass it around, 17 bottles of beer on the wall.   
         17 bottles of beer on the wall, 17 bottles of beer.          
  Take one down and pass it around, 16 bottles of beer on the wall.   
         16 bottles of beer on the wall, 16 bottles of beer.          
  Take one down and pass it around, 15 bottles of beer on the wall.   
         15 bottles of beer on the wall, 15 bottles of beer.          
  Take one down and pass it around, 14 bottles of beer on the wall.   
         14 bottles of beer on the wall, 14 bottles of beer.          
  Take one down and pass it around, 13 bottles of beer on the wall.   
         13 bottles of beer on the wall, 13 bottles of beer.          
  Take one down and pass it around, 12 bottles of beer on the wall.   
         12 bottles of beer on the wall, 12 bottles of beer.          
  Take one down and pass it around, 11 bottles of beer on the wall.   
         11 bottles of beer on the wall, 11 bottles of beer.          
  Take one down and pass it around, 10 bottles of beer on the wall.   
         10 bottles of beer on the wall, 10 bottles of beer.          
   Take one down and pass it around, 9 bottles of beer on the wall.   
          9 bottles of beer on the wall, 9 bottles of beer.           
   Take one down and pass it around, 8 bottles of beer on the wall.   
          8 bottles of beer on the wall, 8 bottles of beer.           
   Take one down and pass it around, 7 bottles of beer on the wall.   
          7 bottles of beer on the wall, 7 bottles of beer.           
   Take one down and pass it around, 6 bottles of beer on the wall.   
          6 bottles of beer on the wall, 6 bottles of beer.           
   Take one down and pass it around, 5 bottles of beer on the wall.   
          5 bottles of beer on the wall, 5 bottles of beer.           
   Take one down and pass it around, 4 bottles of beer on the wall.   
          4 bottles of beer on the wall, 4 bottles of beer.           
   Take one down and pass it around, 3 bottles of beer on the wall.   
          3 bottles of beer on the wall, 3 bottles of beer.           
   Take one down and pass it around, 2 bottles of beer on the wall.   
          2 bottles of beer on the wall, 2 bottles of beer.           
   Take one down and pass it around, 1 bottle of beer on the wall.    
           1 bottle of beer on the wall, 1 bottle of beer.            
Take one down and pass it around, no more bottles of beer on the wall.
    No more bottles of beer on the wall, no more bottles of beer.     
  Go to the store and buy some more, 99 bottles of beer on the wall.  



Thanks to http://hilite.me/ for the code formatting service