Test-Path : Cannot bind argument to parameter 'Path' because it is null. The following example shows all cases which Suppress by using -ErrorAction Silentl圜ontinue. The error returned for null, array of null or empty array is a non-terminating error. True Example 7: Test a path with null as the value Test-Path $pshome\pwsh.exe -NewerThan "July 13, 2009" The NewerThan parameter works only in file system drives. On the computer is newer than "July 13, 2009". This command uses the NewerThan dynamic parameter to determine whether the "PowerShell.exe" file Test-Path -Path "HKLM:\Software\Microsoft\PowerShell\1\ShellIds\Microsoft.PowerShell\ExecutionPolicy"įalse Example 6: Test if a file is newer than a specified date Test-Path -Path "HKLM:\Software\Microsoft\PowerShell\1\ShellIds\Microsoft.PowerShell" Test-Path to test the path of a registry key, but if you use it to test the path of a registryĮntry, it always returns $False, even if the registry entry is present. Test-Path does not work correctly with all PowerShell providers. If PowerShell is installed correctly, the cmdlet returns $True. The first command tests whether the registry path of the Microsoft.PowerShell registry key isĬorrect on the system. These commands use Test-Path with the PowerShell registry provider. In thisĬase, because the PowerShell profile is a. This command checks whether the path stored in the $profile variable leads to a file. Example 4: Check for a file Test-Path -Path $profile -PathType leaf In this case, because the directory contains only. The command specifies the Exclude parameter to specify files that will be omitted from the The path, and then use the TAB key to complete the path. With long paths, such as this one, type the first few letters of The asterisk at the end of the path indicates the contents of The command uses the Path parameter to specify the path. This command checks whether there are any files in the Commercial Buildings directory other than Example 3: Check whether there are any files besides a specified type Test-Path -Path "C:\CAD\Commercial Buildings\*" -Exclude *.dwg These commands use $profile, the automatic variable that points to the locationįor the profile, even if the profile does not exist.įor more information about automatic variables, see about_Automatic_Variables. In this case, the path is $False, but the syntax isĬorrect $True. Whether the syntax of the path is correct. The first command determines whether all elements in the path exist. These commands test the path of the PowerShell profile. Example 2: Test the path of a profile Test-Path -Path $profile This command checks whether all elements in the path exist, that is, the C: directory, theĭocuments and Settings directory, and the DavidC directory. Examples Example 1: Test a path Test-Path -Path "C:\Documents and Settings\DavidC" Or empty array, a non-terminating error is returned. Whitespace or empty string, then $False is returned. It can also tell whether the path syntax is validĪnd whether the path leads to a container or a terminal or leaf element. It returns $True if allĮlements exist and $False if any are missing. The Test-Path cmdlet determines whether all elements of the path exist. Determines whether all elements of a path exist.
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