WMI has a class Win32_Directory for working with folders on a machine. We can use this class to find all folders created this month.
Listing 6.22
$d = "’" + (Get-WmiObject -Class Win32_Directory -Filter "name=’c:\\’").ConvertFromdateTime([datetime]"09/01/2008") + "’"
Get-WmiObject -Class Win32_Directory -Filter "CreationDate > $d" | Select Name, CreationDate
We start by creating a date in WMI format. We use the Win32_Directory WMI class and filter on the root folder for speed. Note that we have to use \\ instaed of \ when dealing with file paths in WMI. We then use the ConvertFromDateTime method to put the required date into WMI format. The date will look like this
‘20080901000000.000000+060’
Note that we have put ‘ ‘ round the date. This is needed for the correct formatting of the WMI query.
We then use Win32_Directory again and filter based on dates greater than our test date i.e. folders created this month.
The really great thing about this is that we could use -computername to specify a remote machine. We could modify the script to read a file of machine names and test our servers for new folders.
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