check_files_count.ps1

Param(
  [string]$Path,
  [int]$warning,
  [int]$critical,
  [string]$ListFiles
)

$Files=Get-ChildItem $Path -File | Select LastWriteTime,Name
$Files_Count=(Get-ChildItem $Path -File).count


# Logic Check
if ($warning -gt $critical) {
    Write-Output "Warning ($warning) can't be higher then critical! ($critical)"
    exit 2
}

# Icinga2 Director true is low true but is is needed True
if ($ListFiles = "true") {
    $ListFiles = "True"
}

# Here happens the magic
if ($Files_count -lt $warning) {
    Write-Output "OK - Files: $Files_Count|result=$Files_count;"
    if ($ListFiles -eq 'TRUE') { Write-Output $Files }
    exit 0
}

elseif ($Files_count -le $critical) {
    Write-Output "Warning - Files: $Files_Count found|result=$Files_count;"
    if ($ListFiles -eq 'TRUE') { Write-Output $Files }
    exit 1
}

elseif ($Files_count -ge $critical) {
    Write-Output "Critical - Files: $Files_Count found|result=$Files_count;"
    if ($ListFiles -eq 'TRUE') { Write-Output $Files }
    exit 2
}