Search for File - If Exists - Menu to Delete

$a = ('*.bat','*.txt')
$b = Get-ChildItem $a

Function deleteFiles {
$title = "Delete Files"
$message = "Do you want to delete the files in the folder?"

$yes = New-Object System.Management.Automation.Host.ChoiceDescription "&Yes", `
    "Deletes all files in the folder."

$no = New-Object system.Management.Automation.Host.ChoiceDescription "&No", `
    "Don't delete the files in the folder."

$options = [System.Management.Automation.Host.ChoiceDescription[]] ($yes,$no)

$result = $Host.UI.PromptForChoice($title, $message, $options, 0)

    switch ($result) {
        0 {Write-Host "Hot Damn!"}
        1 {Write-Host "Darn!"}
        }
}


if($b){deleteFiles}


else {Write-Host "Nope...Nothing there"}