PowerShell script for cleaning multiple projects/solutions in one command line via MSBuild

CleanMSBuilds.ps1

###########################################################################
# Author: Matthew Kelly (@Badgerati)
# Date: May 14 2015
# 
# MSBuildPath:  Path to where your MSBuild.exe file resides
# Projects:     Array of Project/Solution files
# CleanDebug:	Switch to clean build in debug mode
# CleanRelease:	Switch to clean build int release mode
#
# Example:
# > .\CleanMSBuilds.ps1 -MSBuildPath path\to\msbuild.exe -Projects Example1.sln, Example2.sln -CleanDebug -CleanRelease
###########################################################################
param (
    [Parameter(Mandatory=$true)]
    [string] $MSBuildPath,
    [Parameter(Mandatory=$true)]
    [string[]] $Projects,
    [switch] $CleanDebug,
    [switch] $CleanRelease
)


function Clean-Build($project, $config) {
    $command = "$MSBuildPath $config /t:Clean $project"

    Write-Host "Executing: $command"
	cmd /c "$command"
    
    if (! $?) {
		throw "Clean of '$project' failed."
	}
}


if (!(Test-Path $MSBuildPath)) {
    Write-Error "Cannot find MSBuild at '$MSBuildPath'"
}

foreach ($project in $Projects) {
    if (!(Test-Path $project)) {
        Write-Error "Cannot find project/solution at '$project'"
    }
}

Write-Host "Cleaning Projects/Solutions:"
foreach ($project in $Projects) {
    Write-Host " - $project"
}

foreach ($project in $Projects) {
    if ($CleanDebug.IsPresent) {
        Clean-Build $project '/p:Configuration=Debug'
    }

    if ($CleanRelease.IsPresent) {
        Clean-Build $project '/p:Configuration=Release'
    }
}