Merry christmas

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Sylvain LESIRE Posted: 12-15-2008 1:54 AM

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Hi everybody,

Sure during Christmas holidays some powershell user will have some great music.

I find this script on a french Microsoft script center, but It need to here on forum and script library.

Merry Christmas To U

Sylv1

Web site link : http://forums.microsoft.com/TechNet-FR/ShowPost.aspx?PostID=2555221&SiteID=45

#Merry Christmas.ps1

$notes = write-output `
4A4 4A4 2A4        4A4 4A4 2A4        4A4 4C4 4F3 8G3             1A4 `
4Bb4 4Bb4 4Bb4 8Bb4     4Bb4 4A4 4A4 8A4 8A4    4A4 4G3 4G3 4A4    2G3 2C4 `
4A4 4A4 2A4       4A4 4A4 2A4    4A4 4C4 4F3 4G3     1A4        4Bb4 4Bb4 4Bb4 4Bb4 `
4Bb4 4A4 4A4 8A4 8A4    4C4 4C4 4Bb4 4G3     1F3     4C3 4A4 4G3 4F3     2C3 8C3 8C3 `
4C3 4A4 4G3 4F3       1D3      4D3 4Bb4 4A4 4G3     '1E3'    4C4 4C4 4Bb4 4G3 `
1A4     4C3 4A4 4G3 4F3    1C3     4C3 4A4 4G3 4F3     1D3 `
4D3 4Bb3 4A4 4G3         4C4 4C4 4C4 8C4 8C4    4D4 4C4 4Bb4 4G3    4F3 2C4   4A4 4A4 2A4 `
4A4 4A4 2A4      4A4 4C4 4C3 8G3      1A4     4Bb4 4Bb4 4Bb4 8Bb4      4Bb4 4A4 4A4 8A4 8A4 `
4A4 4G3 4G3 4A4       2G3 2C4     4A4 4A4 2A4     4A4 4A4 2A4    4A4 4C4 4F3 8G3 `
1A4       4Bb4 4Bb4 4Bb4 4Bb4      4Bb4 4A4 4A4 8A4 8A4      4C4 4C4 4Bb4 4G3     1F3

function Play([int] $freq, [int] $duration)
{
[console]::Beep($freq, $duration);
}

#
# Note is given by fn=f0 * (a)^n
# a is the twelth root of 2
# n is the number of half steps from f0, positive or negative.
# f0 used here is A4 at 440 Hz
#
$f0 = 440;
$a = [math]::pow(2,(1/12)); # Twelth root of 2
function GetNoteFreq([string]$note)
{
# n is the number of half steps from the fixed note.
$note -match '([A-G#]{1,2})(\d+)' | out-null
$octave = ([int] $matches[2]) - 4;
$n = $octave * 12 + ( GetHalfStepsFromA $matches[1] );
$freq = $f0 * [math]::Pow($a, $n);

return $freq;
}

function GetHalfStepsFromA([string] $note)
{
switch($note)
{
    'A' { 0 }
    'A#' { 1 }
    'Bb' { 1 }
    'B' { 2 }
    'C' { 3 }
    'C#' { 4 }
    'Db' { 4 }
    'D' { 5 }
    'D#' { 6 }
    'Eb' { 6 }
    'E' { 7 }
    'F' { 8 }
    'F#' { 9 }
    'Gb' { 9 }
    'G' { 10 }
    'G#' { 11 }
    'Ab' { 11 }
}
}