Data update

Task/Caesar-cipher/PowerShell/caesar-cipher.psh

@@ -1,75 +0,0 @@
-# Author: M. McNabb
-function Get-CaesarCipher
-{
-Param
-(
-[Parameter(
-Mandatory=$true,ValueFromPipeline=$true)]
-[string]
-$Text,
-
-[ValidateRange(1,25)]
-[int]
-$Key = 1,
-
-[switch]
-$Decode
-)
-
-begin
-{
-    $LowerAlpha = [char]'a'..[char]'z'
-    $UpperAlpha = [char]'A'..[char]'Z'
-}
-
-process
-{
-    $Chars = $Text.ToCharArray()
-
-    function encode
-    {
-        param
-        (
-        $Char,
-        $Alpha = [char]'a'..[char]'z'
-        )
-        $Index = $Alpha.IndexOf([int]$Char)
-        $NewIndex = ($Index + $Key) - $Alpha.Length
-        $Alpha[$NewIndex]
-    }
-
-    function decode
-    {
-        param
-        (
-        $Char,
-        $Alpha = [char]'a'..[char]'z'
-        )
-        $Index = $Alpha.IndexOf([int]$Char)
-        $int = $Index - $Key
-        if ($int -lt 0) {$NewIndex = $int + $Alpha.Length}
-        else {$NewIndex = $int}
-        $Alpha[$NewIndex]
-    }
-
-    foreach ($Char in $Chars)
-    {
-        if ([int]$Char -in $LowerAlpha)
-        {
-            if ($Decode) {$Char = decode $Char}
-            else {$Char = encode $Char}
-        }
-        elseif ([int]$Char -in $UpperAlpha)
-        {
-            if ($Decode) {$Char = decode $Char $UpperAlpha}
-            else {$Char = encode $Char $UpperAlpha}
-        }
-
-        $Char = [char]$Char
-        [string]$OutText += $Char
-    }
-
-    $OutText
-    $OutText = $null
-}
-}