Converting a string to a set of arguments - Powershell

Posted on 2009-05-07
Last Modified: 2012-05-06
I have written a script (see code) to create Dynamic Distribution Groups. I have a function that creates the RecipientFilter and passes it to the New-DynamicDistributionGroup command. Problem is, it sees it as a single argument and not a valid recipient filter. If I copy the newly copy the newly created command to a .ps1 file and then call that file, it works fine, but it simply will not let me run the command from the original script. I know why this is happening, but I dont know how to fix it.

In a nutshell, the Create-Filter function returns $filter, which will look something like (Alias -like *dude*).

It then generates the code:

New-DynamicDistributionGroup -Name $DDG -domaincontroller $dc -OrganizationalUnit $ou -RecipientContainer $rc -RecipientFilter {($RecFilter)}

So, in the above example, it would have RecipientFilter {((Alias -like *dude*))} . The problem is, it does not see (Alias like *dude*) as a valid set of arguments, it sees them as a single property with no arguments attached. Since the (Alias like *dude*) property does not exist, it fails to set it.

If I have it write the command to a new script file instead, (which is the way I have it written right now) and then call the new script, it reads the whole thing in properly and executes it. I guess what I am asking is, is there a way to make it read it as property operator value and not just a property within the script that generated the RecipientFilter?

Function Create-Filter
	$Filter = $null
	$DoMore = "Y"
	While ($DoMore -eq "Y")	
		Write-Host -fore White "The following is a list of common filterable properties:"
		Write-Host -fore Yellow "Alias                          AssistantName     C                     City                  Co"
		Write-Host -fore Yellow "Company                        CountryCode       CustomAttribute(1-15) Database              Department"
		Write-Host -fore Yellow "DisplayName                    EmailAddress      ExternalEmailAddress  ExternalOofOptions    FirstName"
		Write-Host -fore Yellow "HiddenFromAddressListsEnabled  IsLinked          IsMailboxEnabled      IsResource            IsShared"
		Write-Host -fore Yellow "LastName                       Manager           MobileFeaturesEnabled Name                  Office"
		Write-Host -fore Yellow "PostalCode                     RecipientType     RecipientTypeDetails  SamAccountName        ServerName"
		Write-Host -fore Yellow "StateOrProvince                StreetAddress     Title                 UMEnabled             UseerPrincipalName"
		Write-Host -fore White "---------------------------------------------------------------------------------------------------------------"
		Write-Host -fore White "The following is a list of some of the less-common filterable properties:"
		Write-Host -fore Yellow "CommonName                     DistinguishedName ExchangeVersion       ExternalOofOptions    Fax"
		Write-Host -fore Yellow "HiddenGroupMembershipEnabled   HomeMTA           HomePhone             Id                    LegacyExchangeDN"
		Write-Host -fore Yellow "ManagedBy                      MemberOfGroup     Members               MobilePhone           Name"
		Write-Host -fore Yellow "Notes                          Pager             Phone                 PostOfficeBox         PrimarySMTPAddress"
		$Property = Read-Host "Enter the Property you wish to filter on. (Ensure you use the correct spelling as above)"
		Write-Host -fore Yellow "What kind of comparison would you like to do?"
		Write-Host -fore Yellow "Enter 1 for Equals (-eq)"
		Write-Host -fore Yellow "Enter 2 for Does not equal (-ne)"
		Write-Host -fore Yellow "Enter 3 for Like (-like)"
		Write-Host -fore Yellow "Enter 4 for Not Like (-notlike)"
		Write-Host -fore Yellow "Enter 5 for Less Than (-lt)"
		Write-Host -fore Yellow "Enter 6 for Less Than or Equal To (-le)"
		Write-Host -fore Yellow "Enter 7 for Greater Than or Equal To (-ge)"
		Write-Host -fore Yellow "Enter 8 for Greater Than (-gt)"
		$operator = Read-Host "Please select your comparison operator (1, 2, 3, 4, 5, 6, 7, or 8)"
		Write-Host -fore Yellow "What value is the property being compared to?"
		$Value = Read-Host "Enter the value the property is being compared against"
		Switch ($operator)
			1 {$Filter = "$Filter($Property -eq '$Value')"}
			2 {$Filter = "$Filter($Property -ne '$Value')"}
			3 {$Filter = "$Filter($Property -like '*$Value*')"}
			4 {$Filter = "$Filter($Property -notelike '*$Value*')"}
			5 {$Filter = "$Filter($Property -lt '$Value')"}
			6 {$Filter = "$Filter($Property -le '$Value')"}
			7 {$Filter = "$Filter($Property -ge '$Value')"}
			8 {$Filter = "$Filter($Property -gt '$Value')"}
		$More = Read-Host "Would you like to add more to the filter? (Y/N)"
		If ($More -eq "Y")
				Write-Host -fore Yellow "What operator do you wish to use for the next Propery?"
				Write-Host -fore Yellow "Enter 1 for -and"
				Write-Host -fore Yellow "Enter 2 for -or"
				Write-Host -fore Yellow "Enter 3 for -and -not"
				Write-Host -fore Yellow "Enter 4 for -or -not"
				$op = Read-Host "Make your selection (1, 2, 3, or 4)"
				Switch ($op)
						1 {$Filter = "$Filter -and "}
						2 {$Filter = "$Filter -or "}
						3 {$Filter = "$Filter -and -not "}
						4 {$Filter = "$Filter -or -not "}
				$DoMore = "Y"
				return $Filter
				$DoMore = "N"
#This script will create/Update a Dynamic Distribution Group
#$ErrorActionPreference = "SilentlyContinue"
$ou = " Groups"
$DoAgain = "Y"
$Output = "CreateDDG1.ps1"
$Output2 = "UpdateDDG1.ps1"
While ($DoAgain -eq "Y")
	#Choose which Domain Controller to use for your Task
	Write-Host -fore Yellow "Please select a domain controller to process this request:"
	Write-Host -fore Yellow "Enter 4 for"
	Write-Host -fore Yellow "Enter 5 for"
	Write-Host -fore Yellow "Enter 6 for"
	Write-Host -fore Yellow "Enter 7 for"
	Write-Host -fore Yellow "Enter 8 for"
	$DCChoose = Read-Host "Make selection now: (4, 5, 6, 7, or 8)"
	Switch ($DCChoose)
			4 {$DC = ""}
			5 {$DC = ""}
			6 {$DC = ""}
			7 {$DC = ""}
			8 {$DC = ""}
	#Choose whether to create or update a Dynamic Distribution List
	Write-Host -fore Yellow "Do you wish to Create or Update a Dynamic Distribution Group?"
	Write-Host -fore Yellow "Enter 1 to Create a new Dynamic Distribution Group"
	Write-Host -fore Yellow "Enter 2 to Update an Existing Dynamic Distribution"
	$TaskType = Read-Host "Make Selection now: (1 or 2)"
	Write-Host -fore Yellow "What is the name of the Dynamic Distribution Group (DDG)?"
	$DDG = Read-Host "Enter the DDG Name"
	If ($TaskType -eq 1) 
			$err = $null
			Write-Host -fore Yellow "Do you wish to use as your RecipientContainer?"
			$rcyn = Read-Host "Make selection now: (Y/N)"
			If ($rcyn -eq "Y"){$rc = ""}
			Else {$rc = Read-Host "Enter the RecipientContainer: (I.E."}
			Write-Host -fore Yellow "What is the LAN-ID of the Owner of this DDG?"
			$Owner = Read-Host "Enter the LAN-ID of the DDG Owner"
			$mb = get-mailbox $Owner
			$Notes = "Owner = $mb"
			$RecFilter = Create-Filter
			#New-DynamicDistributionGroup -Name $DDG -domaincontroller $dc -OrganizationalUnit $ou -RecipientContainer $rc -RecipientFilter {($RecFilter)}
			$sInput1 = "New-DynamicDistributionGroup -Name '$DDG' -domaincontroller '$dc' -OrganizationalUnit '$ou' -RecipientContainer '$rc' -RecipientFilter {($RecFilter)}"
			$sInput2 = "Write-Host -fore Yellow 'Please stand by while we create $DDG'"
			$sInput3 = "Start-Sleep 10"
			$sInput4 = "Set-DynamicDistributionGroup '$DDG' -DomainController '$dc' -ManagedBy '$Owner' -Notes '$Notes' -RequireSenderAuthenticationEnabled:`$False"
			#Set-DynamicDistributionGroup $DDG -DomainController $dc -ManagedBy $Owner -Notes $Notes -RequireSenderAuthenticationEnabled:$False
			Out-File $output -InputObject "$sInput1"
			Out-File $output -InputObject "$sInput2" -Append
			Out-File $output -InputObject "$sInput3" -Append
			Out-File $output -InputObject "$sInput4" -Append
	ElseIf ($TaskType -eq 2)
			Write-Host -fore Yellow "What would you like to modify?"
			Write-Host -fore Yellow "Enter 1 for Owner"
			Write-Host -fore Yellow "Enter 2 for RecipientFilter"
			Write-Host -fore Yellow "Enter 3 for RecipientContainer"
			$Change = Read-Host "Enter your selection (1, 2, or 3)"
			Switch ($Change)
					1 {
						$err = $null
						Write-Host -fore Yellow "What is the New Owner's LAN-ID?"
						$Owner = Read-Host "Enter the LAN-ID of the DDG's new Owner"
						$mb = get-mailbox $Owner
						$Notes = "Owner =$mb"
						Write-Host -fore Green "Set-DynamicDistributionGroup '$DDG' -DomainController '$dc' -ManagedBy '$Owner' -Notes '$Notes' -RequireSenderAuthenticationEnabled:`$False"
						Set-DynamicDistributionGroup $DDG -DomainController $dc -ManagedBy $Owner -Notes $Notes -RequireSenderAuthenticationEnabled:$False
					2 {
						$err = $null
						$RecFilter = Create-Filter
						$sInput = "Set-DynamicDistributionGroup '$DDG' -DomainController '$dc' -RecipientFilter {($RecFilter)}"
						Out-File $output2 -InputObject "$sInput"
						Write-Host -fore Green "Recipient filter for $DDG is updated."
						#Set-DynamicDistributionGroup $DDG -DomainController $dc  -RecipientFilter {($RecFilter)}
					3 {
						$err = $null
						$rc = Read-Host "Enter the RecipientContainer: (I.E."
						Write-Host -fore Green "Set-DynamicDistributionGroup $DDG -DomainController $dc -RecipientContainer $rc"
						Set-DynamicDistributionGroup $DDG -DomainController $dc -RecipientContainer $rc
	Else { Write-Host -fore Red "Invalid Entry" }
#	Write-Host -fore White "Process returned error code $err"
	$DoAgain = Read-Host "Would you like to work with another Dynamic Distribution Group? (Y/N)"

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Question by:GusGallows
1 Comment
LVL 12

Accepted Solution

GusGallows earned 0 total points
ID: 24330363
Nevermind, I figured it out. I have to save the whole command to a variable and then run invoke-expression against it. (iex) See corrected code below.
$sInput1 = "New-DynamicDistributionGroup -Name '$DDG' -domaincontroller '$dc' -OrganizationalUnit '$ou' -RecipientContainer '$rc' -RecipientFilter {($RecFilter)}"
iex $sInput1

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