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#Listado donde fecha menor que dos días ls D:\power\ejeclase | select Name,CreationTime | where CreationTime -LT (Get-Date).AddDays(-2) #Mostrar según listado menor un día última fecha de escritura del fichero Get-ChildItem | Where-Object { $_.LastWriteTime -ge (Get-Date).AddDays(-1) } #Comparar contenido de dos ficheros Compare-Object -ReferenceObject $(Get-Content F:\fichero1.txt) -DifferenceObject $(Get-Content F:\fichero2.txt) #Get-ChildItem Get-ChildItem -Path $home | select * Get-ChildItem -Path $home | Get-Member Get-ChildItem D:\power -Directory #Comprimir y descomprimir Compress-Archive -LiteralPath C:\powershell\example.txt -CompressionLevel Optimal -DestinationPath C:\powershell\comprimido.zip Expand-Archive -LiteralPath C:\powershell\comprimido.zip -DestinationPath C:\powershell\descomprimir Compress-Archive -LiteralPath C:\powershell\example2.txt -Update -DestinationPath C:\powershell\comprimido.zip #Comprobar si existe o no un fichero Test-Path c:\scripts\test.txt #Listar ficheros según criterio de días Get-Childitem F:\power\files | ? {$_.LastAccessTime -le (get-date).adddays(-1) -and $_.LastAccessTime -ge (get-date).adddays(-2) } | % {copy $_.Fullname c:\backup} |