PowerShell script to find log4j-core.jar files

Get-log4files.ps1

Function Get-log4files(){
$Drives = Get-PSDrive | Select-Object -ExpandProperty 'Name' | Select-String -Pattern '^[a-e]$'
$FileInfo = [System.Collections.ArrayList]::new()
$Filetypes =  @("*.jar")
    ForEach($DriveLetter in $Drives)
    {
        $Drive = "$DriveLetter" + ":\"
        $Log4Files = Get-ChildItem -Path $Drive -Filter "*log4j-core*" -Include $Filetypes -Recurse -File -ErrorAction SilentlyContinue | Select-Object FullName 
        Foreach($file in $Log4Files)
        {
            if(-not [string]::IsNullOrEmpty($file.FullName))
            {
                $Result = [PSCustomObject]@{
                        D = $env:ComputerName
                        FH = (Get-FileHash -Path $file.FullName -Algorithm SHA256).Hash
                        F = $file.FullName
                        }
            }
            [void]$FileInfo.Add($Result)
        }

    }
$FileInfo
}
Get-log4files

Is this script built to output results regardless if files are found or NOT? I can't tell when I look at each of your lines. And I've ran the script on a test machine with no output/results file to be found.