Solution To Reddit Daily Programmer 199 - Bank Number Banners

parse-numbers.ps1

<# 
#  Challenge is here:
#  http://www.reddit.com/r/dailyprogrammer/comments/2tr6yn/2015126_challenge_199_bank_number_banners_pt_1/
#>

#Function to loop through each of the supplied inputs.
function ParseNums
{
    param([string] $passedNum)

    #Create arrays to define each letter.
    $charsLevel1 = " _ ", "   ", " _ ", " _ ", "   ", " _ ", " _ ", " _ ", " _ ", " _ "
    $charsLevel2 = "| |", "  |", " _|", " _|", "|_|", "|_ ", "|_ ", "  |", "|_|", "|_|"
    $charsLevel3 = "|_|", "  |", "|_ ", " _|", "  |", " _|", "|_|", "  |", "|_|", " _|"

    #Create new arrays to hold the results at each level.
    $resultLevel1 = @()
    $resultLevel2 = @()
    $resultLevel3 = @()
	
	#Turn the string with the base number into an array of integers.
	$numArray = [int[]][string[]][char[]]$passedNum
	
	#Loop through the array.
	foreach($number in $numArray)
	{
		$resultLevel1 += $charsLevel1[$number]
		$resultLevel2 += $charsLevel2[$number]
		$resultLevel3 += $charsLevel3[$number]
		
		#Add a space after each.
		$resultLevel1 += " "
		$resultLevel2 += " "
		$resultLevel3 += " "
	}

    #Now print the results.
    foreach($entry in $resultLevel1)
    {
        Write-Host $entry -NoNewline
    }
    Write-Host ""
    foreach($entry in $resultLevel2)
    {
        Write-Host $entry -NoNewline
    }
    Write-Host ""
    foreach($entry in $resultLevel3)
    {
        Write-Host $entry -NoNewline
    }
    Write-Host "`n"
}

#Get the inputs.
$firstNum = "000000000"
$secondNum = "111111111"
$thirdNum = "490067715"

#Call the function.
ParseNums -passedNum $firstNum
ParseNums -passedNum $secondNum
ParseNums -passedNum $thirdNum