Get-CircleArea.ps1
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function Get-CircleArea { <# .Synopsis Gets the area of a circle .Description Gets the area of a circle, using the simple equation Area = Pi * Radius^2 #> [CmdletBinding(DefaultParameterSetName='Radius')] param( # The radius [Parameter(Mandatory=$true,ParameterSetName='Radius')] [Double] $Radius, # The diameter [Parameter(Mandatory=$true,ParameterSetName='Diameter')] [Double] $Diameter ) process { if ($psCmdlet.ParameterSetName -eq 'Radius') { Invoke-Equation { # Square the radius $radiusSquared = $radius * $radius # Get the value of Pi $pi = [Math]::PI # Area is Pi * radius Squared $circleArea = $pi * $radiusSquared } -ShowWork:$ShowWork } elseif ($psCmdlet.ParameterSetName -eq 'Diameter') { Invoke-Equation { # The radius is half of the diameter $radius = $diameter / 2 # Square the radius $radiusSquared = $radius * $radius # Get the value of Pi $pi = [Math]::PI # Area is pi * radius squared $circleArea = $pi * $radiusSquared } -ShowWork:$ShowWork } } } |