[文本处理] 紧急求助批处理定时备份文件

<#*,:&cls
@echo off
cd /d "%~dp0"
powershell -C "Set-Location -LiteralPath ([Environment]::CurrentDirectory);. ([ScriptBlock]::Create((Get-Content -LiteralPath \"%~f0\" -ReadCount 0 | Out-String)))"
pause
exit /b
#>
# 间隔时间(单位:秒)
$delay = 6 * 60 * 60
# 备份源文件夹
$srcdir = "d:\test\d\04"
# 备份目标文件夹
$dstdir = "d:\test\d\05"

while ($true) {
  # 备份
  [System.IO.DirectoryInfo]$dstdir2 = [System.IO.Directory]::CreateDirectory([System.IO.Path]::Combine($dstdir, (Get-Date -Format 'yyyyMMddHHmmssfff')))
  Copy-Item -LiteralPath $srcdir -Destination $dstdir2 -Recurse -Verbose
  # 删除前10天的备份目录
  (Get-ChildItem -LiteralPath $dstdir | Where-Object { $_.PSIsContainer }) | ForEach-Object {
    $span0 = $_ | New-TimeSpan
    if ($span0.Days -ge 10) {
      $_ | Remove-Item -Recurse -Force -Verbose
    }
  }
  Start-Sleep -Seconds $delay
}
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