The Twelve Days of Christmas

The Twelve Days of Christmas
You are encouraged to solve this task according to the task description, using any language you may know.

Write a program that outputs the lyrics of the Christmas carol The Twelve Days of Christmas. The lyrics can be found here. (You must reproduce the words in the correct order, but case, format, and punctuation are left to your discretion.)

Cf

• Comma quibbling

ActionScript

This program outputs the lyrics to a TextField object. The text field can be scrolled using the mouse wheel (Windows only) or by using the up/down arrow keys on the keyboard.

Works with: Flash Player version 10

Works with: AIR version 1.5

(Although the code can work in Flash Player 9 by replacing the Vectors with Arrays)

<lang ActionScript>package {

   import flash.display.Sprite;
   import flash.events.Event;
   import flash.events.KeyboardEvent;
   import flash.events.MouseEvent;
   import flash.text.TextField;
   import flash.text.TextFieldAutoSize;
   import flash.text.TextFormat;
   import flash.ui.Keyboard;
   
   public class TwelveDaysOfChristmas extends Sprite {
       
       private var _textArea:TextField = new TextField();
       
       public function TwelveDaysOfChristmas() {
           if ( stage ) _init();
           else addEventListener(Event.ADDED_TO_STAGE, _init);
       }
       
       private function _init(e:Event = null):void {
           
           removeEventListener(Event.ADDED_TO_STAGE, _init);
           
           _textArea = new TextField();
           _textArea.x = 10;
           _textArea.y = 10;
           _textArea.autoSize = TextFieldAutoSize.LEFT;
           _textArea.wordWrap = true;
           _textArea.width = stage.stageWidth - 20;
           _textArea.height = stage.stageHeight - 10;
           _textArea.multiline = true;
           
           var format:TextFormat = new TextFormat();
           format.size = 14;
           _textArea.defaultTextFormat = format;
           
           var verses:Vector.<String> = new Vector.<String>(12, true);
           var lines:Vector.<String>;
           
           var days:Vector.<String> = new Vector.<String>(12, true);
           var gifts:Vector.<String> = new Vector.<String>(12, true);
           
           days[0] = 'first';
           days[1] = 'second';
           days[2] = 'third';
           days[3] = 'fourth';
           days[4] = 'fifth';
           days[5] = 'sixth';
           days[6] = 'seventh';
           days[7] = 'eighth';
           days[8] = 'ninth';
           days[9] = 'tenth';
           days[10] = 'eleventh';
           days[11] = 'twelfth';
           
           gifts[0] = 'A partridge in a pear tree';
           gifts[1] = 'Two turtle doves';
           gifts[2] = 'Three french hens';
           gifts[3] = 'Four calling birds';
           gifts[4] = 'Five golden rings';
           gifts[5] = 'Six geese a-laying';
           gifts[6] = 'Seven swans a-swimming';
           gifts[7] = 'Eight maids a-milking';
           gifts[8] = 'Nine ladies dancing';
           gifts[9] = 'Ten lords a-leaping';
           gifts[10] = 'Eleven pipers piping';
           gifts[11] = 'Twelve drummers drumming';
           
           var i:uint, j:uint, k:uint, line:String;
           
           for ( i = 0; i < 12; i++ ) {
               
               lines = new Vector.<String>(i + 2, true);
               lines[0] = "On the " + days[i] + " day of Christmas, my true love gave to me";
               
               j = i + 1;
               k = 0;
               while ( j-- > 0 )
                   lines[++k] = gifts[j];
               
               verses[i] = lines.join('\n');
               
               if ( i == 0 )
                   gifts[0] = 'And a partridge in a pear tree';
               
           }
           
           var song:String = verses.join('\n\n');
           _textArea.text = song;
           addChild(_textArea);
           
           _textArea.addEventListener(MouseEvent.MOUSE_WHEEL, _onMouseWheel);
           stage.addEventListener(KeyboardEvent.KEY_DOWN, _onKeyDown);
           
       }
       
       private function _onKeyDown(e:KeyboardEvent):void {
           if ( e.keyCode == Keyboard.DOWN )
               _textArea.y -= 40;
           else if ( e.keyCode == Keyboard.UP )
               _textArea.y += 40;
       }
       
       private function _onMouseWheel(e:MouseEvent):void {
           _textArea.y += 20 * e.delta;
       }
       
   }
   

}</lang>

C#

<lang csharp>using System;

public class TwelveDaysOfChristmas {

   public static void Main() {

       string[] days = new string[12] {
           "first", "second", "third", "fourth", "fifth", "sixth", "seventh", "eighth", "ninth",
           "tenth", "eleventh", "twelfth",
       };

       string[] gifts = new string[12] {
           "A partridge in a pear tree",
           "Two turtle doves",
           "Three french hens",
           "Four calling birds",
           "Five golden rings",
           "Six geese a-laying",
           "Seven swans a-swimming",
           "Eight maids a-milking",
           "Nine ladies dancing",
           "Ten lords a-leaping",
           "Eleven pipers piping",
           "Twelve drummers drumming"
       };

       for ( int i = 0; i < 12; i++ ) {

           Console.WriteLine("On the " + days[i] + " day of Christmas, my true love gave to me");

           int j = i + 1;
           while ( j-- > 0 )
               Console.WriteLine(gifts[j]);

           Console.WriteLine();

           if ( i == 0 )
               gifts[0] = "And a partridge in a pear tree";
       }

   }

}</lang>

D

Translation of: Python

<lang d>/*immutable*/ auto gifts = "A partridge in a pear tree. Two turtle doves Three french hens Four calling birds Five golden rings Six geese a-laying Seven swans a-swimming Eight maids a-milking Nine ladies dancing Ten lords a-leaping Eleven pipers piping Twelve drummers drumming";

immutable days = "first second third fourth fifth

                 sixth seventh eighth ninth tenth
                 eleventh twelfth";

void main() {

   import std.stdio, std.string, std.range;

   foreach (immutable n, immutable day; days.split) {
       auto g = gifts.splitLines.take(n + 1).retro;
       writeln("On the ", day,
               " day of Christmas\nMy true love gave to me:\n",
               g[0 .. $ - 1].join("\n"),
               (n > 0 ? " and\n" ~ g.back : g.back.capitalize), '\n');
   }

}</lang>

J

<lang j>require 'strings' NB. not necessary for versions > j6

days=: ;:'first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth'

gifts=: <;.2 ] 0 : 0 And a partridge in a pear tree. Two turtle doves, Three french hens, Four calling birds, Five golden rings, Six geese a-laying, Seven swans a-swimming, Eight maids a-milking, Nine ladies dancing, Ten lords a-leaping, Eleven pipers piping, Twelve drummers drumming, )

firstline=: 'On the ' , ,&(' day of Christmas, my true love gave to me',LF)

chgFirstVerse=: rplc&('nd a';)&.>@{. , }.

makeVerses=: [: chgFirstVerse (firstline&.> days) ,&.> [: <@;@|.\ gifts"_

singCarol=: LF joinstring makeVerses</lang>

JavaScript

<lang JavaScript> var days = [

   'first', 'second', 'third', 'fourth', 'fifth', 'sixth', 'seventh', 'eighth', 'ninth',
   'tenth', 'eleventh', 'twelfth',

];

var gifts = [

   "A partridge in a pear tree",
   "Two turtle doves",
   "Three french hens",
   "Four calling birds",
   "Five golden rings",
   "Six geese a-laying",
   "Seven swans a-swimming",
   "Eight maids a-milking",
   "Nine ladies dancing",
   "Ten lords a-leaping",
   "Eleven pipers piping",
   "Twelve drummers drumming"

];

var lines, verses = [], song;

for ( var i = 0; i < 12; i++ ) {

   lines = [];
   lines[0] = "On the " + days[i] + " day of Christmas, my true love gave to me";
   
   var j = i + 1;
   var k = 0;
   while ( j-- > 0 )
       lines[++k] = gifts[j];

   verses[i] = lines.join('\n');
   
   if ( i == 0 )
       gifts[0] = "And a partridge in a pear tree";
   

}

song = verses.join('\n\n'); document.write(song); </lang>

Lua

<lang Lua> local days = {

   'first', 'second', 'third', 'fourth', 'fifth', 'sixth', 'seventh', 'eighth', 'ninth',
   'tenth', 'eleventh', 'twelfth',

}

local gifts = {

   "A partridge in a pear tree",
   "Two turtle doves",
   "Three french hens",
   "Four calling birds",
   "Five golden rings",
   "Six geese a-laying",
   "Seven swans a-swimming",
   "Eight maids a-milking",
   "Nine ladies dancing",
   "Ten lords a-leaping",
   "Eleven pipers piping",
   "Twelve drummers drumming",

}

local verses = {}

for i = 1, 12 do

   local lines = {}
   lines[1] = "On the " .. days[i] .. " day of Christmas, my true love gave to me"
   
   local j = i
   local k = 2
   repeat
       lines[k] = gifts[j]
       k = k + 1
       j = j - 1
   until j == 0
   
   verses[i] = table.concat(lines, '\n')

end

print(table.concat(verses, '\n\n')) </lang>

Perl 6

<lang perl6>my @days = <first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth>;

my @gifts = lines q:to//;

 And a partridge in a pear tree.
 Two turtle doves,
 Three french hens,
 Four calling birds,
 Five golden rings,
 Six geese a-laying,
 Seven swans a-swimming,
 Eight maids a-milking,
 Nine ladies dancing,
 Ten lords a-leaping,
 Eleven pipers piping,
 Twelve drummers drumming,

sub nth($n) { say "On the @days[$n] day of Christmas, my true love gave to me:" }

nth(0); say @gifts[0].subst('And a','A');

for 1 ... 11 -> $d {

   say ;
   nth($d);
   say @gifts[$_] for $d ... 0;

}</lang>

Output:

On the first day of Christmas, my true love gave to me:
  A partridge in a pear tree.

On the second day of Christmas, my true love gave to me:
  Two turtle doves,
  And a partridge in a pear tree.

On the third day of Christmas, my true love gave to me:
  Three french hens,
  Two turtle doves,
  And a partridge in a pear tree.

On the fourth day of Christmas, my true love gave to me:
  Four calling birds,
  Three french hens,
  Two turtle doves,
  And a partridge in a pear tree.
.
.
.
On the twelfth day of Christmas, my true love gave to me:
  Twelve drummers drumming,
  Eleven pipers piping,
  Ten lords a-leaping,
  Nine ladies dancing,
  Eight maids a-milking,
  Seven swans a-swimming,
  Six geese a-laying,
  Five golden rings,
  Four calling birds,
  Three french hens,
  Two turtle doves,
  And a partridge in a pear tree.

PHP

<lang PHP> <?php

header("Content-Type: text/plain; charset=UTF-8");

$days = array(

   'first', 'second', 'third', 'fourth', 'fifth', 'sixth', 'seventh', 'eighth', 'ninth',
   'tenth', 'eleventh', 'twelfth',

);

$gifts = array(

   "A partridge in a pear tree",
   "Two turtle doves",
   "Three french hens",
   "Four calling birds",
   "Five golden rings",
   "Six geese a-laying",
   "Seven swans a-swimming",
   "Eight maids a-milking",
   "Nine ladies dancing",
   "Ten lords a-leaping",
   "Eleven pipers piping",
   "Twelve drummers drumming"

);

$verses = [];

for ( $i = 0; $i < 12; $i++ ) {

   $lines = [];
   $lines[0] = "On the {$days[$i]} day of Christmas, my true love gave to me";
   
   $j = $i;
   $k = 0;
   while ( $j >= 0 ) {
       $lines[++$k] = $gifts[$j];
       $j--;
   }
       
   $verses[$i] = implode(PHP_EOL, $lines);
       
   if ( $i == 0 )
       $gifts[0] = "And a partridge in a pear tree";

}

echo implode(PHP_EOL . PHP_EOL, $verses);

?> </lang>

Python

<lang python>gifts = \ A partridge in a pear tree. Two turtle doves Three french hens Four calling birds Five golden rings Six geese a-laying Seven swans a-swimming Eight maids a-milking Nine ladies dancing Ten lords a-leaping Eleven pipers piping Twelve drummers drumming.split('\n')

days = first second third fourth fifth

         sixth seventh eighth ninth tenth
         eleventh twelfth.split()

for n, day in enumerate(days, 1):

   g = gifts[:n][::-1]
   print(('\nOn the %s day of Christmas\nMy true love gave to me:\n' % day) +
         '\n'.join(g[:-1]) +
         (' and\n' + g[-1] if n > 1 else g[-1].capitalize()))</lang>

Output:

On the first day of Christmas
My true love gave to me:
A partridge in a pear tree.

On the second day of Christmas
My true love gave to me:
Two turtle doves and
A partridge in a pear tree.

On the third day of Christmas
My true love gave to me:
Three french hens
Two turtle doves and
A partridge in a pear tree.

On the fourth day of Christmas
My true love gave to me:
Four calling birds
Three french hens
Two turtle doves and
A partridge in a pear tree.
.
.
.

On the twelfth day of Christmas
My true love gave to me:
Twelve drummers drumming
Eleven pipers piping
Ten lords a-leaping
Nine ladies dancing
Eight maids a-milking
Seven swans a-swimming
Six geese a-laying
Five golden rings
Four calling birds
Three french hens
Two turtle doves and
A partridge in a pear tree.

REXX

This version:

• doesn't capitalize the word Twelfth
• capitalizes the French   (in French hen)
• capitalized True Love as it (may) refer to a deity
• added indentation to make verses look like a song

<lang rexx>/*REXX program displays the verses of song "The 12 days of Christmas". */ Nth='first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth' pad=left(,20)

                    d.1  = 'A partridge in a pear-tree.'
                    d.2  = 'Two Turtle Doves, and'
                    d.3  = 'Three French Hens,'
                    d.4  = 'Four Calling Birds,'
                    d.5  = 'Five Golden Rings,'
                    d.6  = 'Six geese a-laying,'
                    d.7  = 'Seven swans a-swimming,'
                    d.8  = 'Eight maids a-milking,'
                    d.9  = 'Nine ladies dancing,'
                    d.10 = 'Ten lords a-leaping,'
                    d.11 = 'Eleven pipers piping,'
                    d.12 = 'Twelve drummers drumming,'
 do day=1  for 12
 say pad 'On the' word(Nth,day) 'day of Christmas'  /*prologue, line 1.*/
 say pad 'My True Love gave to me:'                 /*prologue, line 2.*/
         do j=day  to 1  by -1;  say pad d.j;  end  /*display the gifts*/
 say                                  /*add a blank line between verses*/
 end       /*day*/                    /*stick a fork in it, we're done.*/</lang>

output

                     On the first day of Christmas
                     My True Love gave to me:
                     A partridge in a pear-tree.

                     On the second day of Christmas
                     My True Love gave to me:
                     Two Turtle Doves, and
                     A partridge in a pear-tree.

                     On the third day of Christmas
                     My True Love gave to me:
                     Three French Hens,
                     Two Turtle Doves, and
                     A partridge in a pear-tree.

                     On the fourth day of Christmas
                     My True Love gave to me:
                     Four Calling Birds,
                     Three French Hens,
                     Two Turtle Doves, and
                     A partridge in a pear-tree.

                     On the fifth day of Christmas
                     My True Love gave to me:
                     Five Golden Rings,
                     Four Calling Birds,
                     Three French Hens,
                     Two Turtle Doves, and
                     A partridge in a pear-tree.

                     On the sixth day of Christmas
                     My True Love gave to me:
                     Six geese a-laying,
                     Five Golden Rings,
                     Four Calling Birds,
                     Three French Hens,
                     Two Turtle Doves, and
                     A partridge in a pear-tree.

                     On the seventh day of Christmas
                     My True Love gave to me:
                     Seven swans a-swimming,
                     Six geese a-laying,
                     Five Golden Rings,
                     Four Calling Birds,
                     Three French Hens,
                     Two Turtle Doves, and
                     A partridge in a pear-tree.

                     On the eighth day of Christmas
                     My True Love gave to me:
                     Eight maids a-milking,
                     Seven swans a-swimming,
                     Six geese a-laying,
                     Five Golden Rings,
                     Four Calling Birds,
                     Three French Hens,
                     Two Turtle Doves, and
                     A partridge in a pear-tree.

                     On the ninth day of Christmas
                     My True Love gave to me:
                     Nine ladies dancing,
                     Eight maids a-milking,
                     Seven swans a-swimming,
                     Six geese a-laying,
                     Five Golden Rings,
                     Four Calling Birds,
                     Three French Hens,
                     Two Turtle Doves, and
                     A partridge in a pear-tree.

                     On the tenth day of Christmas
                     My True Love gave to me:
                     Ten lords a-leaping,
                     Nine ladies dancing,
                     Eight maids a-milking,
                     Seven swans a-swimming,
                     Six geese a-laying,
                     Five Golden Rings,
                     Four Calling Birds,
                     Three French Hens,
                     Two Turtle Doves, and
                     A partridge in a pear-tree.

                     On the eleventh day of Christmas
                     My True Love gave to me:
                     Eleven pipers piping,
                     Ten lords a-leaping,
                     Nine ladies dancing,
                     Eight maids a-milking,
                     Seven swans a-swimming,
                     Six geese a-laying,
                     Five Golden Rings,
                     Four Calling Birds,
                     Three French Hens,
                     Two Turtle Doves, and
                     A partridge in a pear-tree.

                     On the twelfth day of Christmas
                     My True Love gave to me:
                     Twelve drummers drumming,
                     Eleven pipers piping,
                     Ten lords a-leaping,
                     Nine ladies dancing,
                     Eight maids a-milking,
                     Seven swans a-swimming,
                     Six geese a-laying,
                     Five Golden Rings,
                     Four Calling Birds,
                     Three French Hens,
                     Two Turtle Doves, and
                     A partridge in a pear-tree.

Tcl

Works with: Tcl version 8.6

<lang tcl>set days {

   first second third fourth fifth sixth
   seventh eighth ninth tenth eleventh twelfth

} set gifts [lreverse {

   "A partridge in a pear tree."
   "Two turtle doves, and"
   "Three french hens,"
   "Four calling birds,"
   "Five golden rings,"
   "Six geese a-laying,"
   "Seven swans a-swimming,"
   "Eight maids a-milking,"
   "Nine ladies dancing,"
   "Ten lords a-leaping,"
   "Eleven pipers piping,"
   "Twelve drummers drumming,"

}]

set n -1;puts [join [lmap day $days {

   format "On the $day day of Christmas,\nMy true love gave to me:\n%s" \

[join [lrange $gifts end-[incr n] end] \n] }] \n\n]</lang>

Output:

On the first day of Christmas,
My true love gave to me:
A partridge in a pear tree.

On the second day of Christmas,
My true love gave to me:
Two turtle doves, and
A partridge in a pear tree.

On the third day of Christmas,
My true love gave to me:
Three french hens,
Two turtle doves, and
A partridge in a pear tree.

On the fourth day of Christmas,
My true love gave to me:
Four calling birds,
Three french hens,
Two turtle doves, and
A partridge in a pear tree.

On the fifth day of Christmas,
My true love gave to me:
Five golden rings,
Four calling birds,
Three french hens,
Two turtle doves, and
A partridge in a pear tree.

On the sixth day of Christmas,
My true love gave to me:
Six geese a-laying,
Five golden rings,
Four calling birds,
Three french hens,
Two turtle doves, and
A partridge in a pear tree.

On the seventh day of Christmas,
My true love gave to me:
Seven swans a-swimming,
Six geese a-laying,
Five golden rings,
Four calling birds,
Three french hens,
Two turtle doves, and
A partridge in a pear tree.

On the eighth day of Christmas,
My true love gave to me:
Eight maids a-milking,
Seven swans a-swimming,
Six geese a-laying,
Five golden rings,
Four calling birds,
Three french hens,
Two turtle doves, and
A partridge in a pear tree.

On the ninth day of Christmas,
My true love gave to me:
Nine ladies dancing,
Eight maids a-milking,
Seven swans a-swimming,
Six geese a-laying,
Five golden rings,
Four calling birds,
Three french hens,
Two turtle doves, and
A partridge in a pear tree.

On the tenth day of Christmas,
My true love gave to me:
Ten lords a-leaping,
Nine ladies dancing,
Eight maids a-milking,
Seven swans a-swimming,
Six geese a-laying,
Five golden rings,
Four calling birds,
Three french hens,
Two turtle doves, and
A partridge in a pear tree.

On the eleventh day of Christmas,
My true love gave to me:
Eleven pipers piping,
Ten lords a-leaping,
Nine ladies dancing,
Eight maids a-milking,
Seven swans a-swimming,
Six geese a-laying,
Five golden rings,
Four calling birds,
Three french hens,
Two turtle doves, and
A partridge in a pear tree.

On the twelfth day of Christmas,
My true love gave to me:
Twelve drummers drumming,
Eleven pipers piping,
Ten lords a-leaping,
Nine ladies dancing,
Eight maids a-milking,
Seven swans a-swimming,
Six geese a-laying,
Five golden rings,
Four calling birds,
Three french hens,
Two turtle doves, and
A partridge in a pear tree.