Hide files with a dot infront of them on windows

hide-dots.ps1

function Hide-Dots {
    Param(
        [Parameter(Position=0)]
        [ValidateScript({ Test-Path $_ })]
        [string] $path="."
    )

    if ($path -eq ".") {
        $cwd = (Get-Location).Path.Substring((Get-Location).Path.LastIndexOf("\") + 1)
        echo "Searching for files in $($cwd) ..."
    }
    else {
        echo "Searching for files in $($path) ..."
    }

    $Activity = "Hidding Dot Files."
    $isDotFile = {$_.name -match "^\..*"}
    $isNotHidden = {$_.attributes -match 'Hidden' -eq $false}
    $dotFileCount = 0
    $markedCount = 0

    ll $path -Recurse -Force -ErrorAction SilentlyContinue |
        where $isDotFile |
        where $isNotHidden |
        foreach {
            $path = $_.FullName
            $dotFileCount++

            Write-Progress `
                -Activity $Activity `
                -Status "Found $($dotFileCount) dot files."

            if (Test-Path $path) {
		        $_.Attributes = "Hidden"

                $markedCount++
            }
        }


    echo "Marked $($markedCount) dot file(s) as hidden."
}