递归生成md5文件列表，调用了外部的md5sums.exe和dos2unix.exe，是给Linux服务器md5批量文件校验用的。

工作中用的，没有修改，给大家做个参考吧。

#powershellscript
Function colormsg($msg){
  Write-Host -BackgroundColor Red -ForegroundColor yellow $msg
}

"###############Powershell MD5 Generator###############"
colormsg("Second+ level directory not Supported")
$dt = Get-Date
$inc = [string]($dt)  + " job started."
colormsg($inc)
"Environment Set"
$local = (Resolve-Path .).Path
$env = $env:path + ';' + $local
$env:path = $env
Set-Location ./ClientInstaller
if(Test-Path *.MD5){
  "MD5 file detected, will be removed, you have 5 seconds to cancel this action..."
  Start-Sleep 5
  Remove-Item -Recurse *.md5
  if($? -eq $True){"MD5 files removed!"}
}
"Processsing..."
(Get-ChildItem -Recurse . | Resolve-Path -Relative) |
ForEach-Object{$Fname = [string]($_.ToString().Split('\')[-1] + ".MD5") ;
if( Test-Path -PathType Leaf $_){md5sums.exe -u -e $_.replace('\','/') |
out-file -Encoding ascii  $Fname ;
if($? -eq $True){dos2unix.exe $Fname}else{Write-Error "MD5 file was not successfully generated!"}
}}


colormsg("Done!")
Set-Location ..
Start-Sleep 5