Get-ChildItem "C:\nginx-1.18.0\myconf" | ForEach-Object { $_.Name }
Write-Output "---"
Get-ChildItem "C:\yutongda\tools\jdk8" -ErrorAction SilentlyContinue | Select-Object -First 5 Name
if (Test-Path "C:\yutongda\tools\jdk8\bin\java.exe") { "JAVA_OK" }
Get-ChildItem "C:\yutongda" -Filter "node.exe" -Recurse -Depth 5 -ErrorAction SilentlyContinue | Select-Object -First 5 FullName