Powershell zip script skip files in use

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    • #183360
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      Topics: 1
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      Hello all,

      I have a script to run a backup of a server to another.

      The script is:

      net use X: \\poaaps11\backup
      cd X:\
      Get-ChildItem .\* -include ('*.zip') -Recurse | Where-Object {($_.LastWriteTime -lt (Get-Date).AddDays(-5))} | Remove-Item
      $today_date = Get-Date -Format g
      $today_date = $today_date.Substring(0,$today_date.Length-6)
      $today_date = $today_date -replace "/","_"
      $source = "D:\DOCUMENTOS_LOJA"
      $destination = "X:\DOCUMENTOS_LOJA_APS_$today_date.zip"
      Add-Type -assembly "system.io.compression.filesystem"
      [io.compression.zipfile]::CreateFromDirectory($Source, $destination)
      net use X: /delete
      

      Everything is going well, but only when there is no file in use.

      If any file is in use or opened in another process, i receive an error message like this one below:

      Exception calling "CreateFromDirectory" with "2" argument(s): "The process cannot access the file 'D:\DOCUMENTOS_LOJA\# AUTO SERVIÇO\# Balconistas\Leonardo Rosa\ETIQUETA EXCEL 1E MEIO.xlsx' because it is being used by another process."
      At line:1 char:1
      + [io.compression.zipfile]::CreateFromDirectory($Source, $destination)
      + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      + CategoryInfo         : NotSpecified: (:) [], MethodInvocationException
      + FullyQualifiedErrorId : IOException
      

      The operation is cutting that time.

      Is there any way to skip the file in use and continue with zip?

    • #184419
      Senior Moderator
      Topics: 8
      Replies: 1123
      Points: 3,831
      Helping Hand
      Rank: Community Hero

      Not sure whether its possible to zip a file which is used by another process, you can give an attempt using 7z.exe

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