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I am trying to take powershell variables and apply them to a scriptblock.
param(
[string]$username = $(throw "Blackberry Admin User Name is required"),
[string]$password = $(throw "Blackberry Admin Password is required"),
[string]$u = $(throw "Blackberry User Name is required")
)
$s = New-PSSession -computerName bbbes01
Invoke-Command -Session $s -Scriptblock {cd "C:\Program Files (x86)\Research In Motion\BlackBerry Enterprise Server Resource Kit\BlackBerry Enterprise Server User Administration Tool Client"
./BESUserAdminClient -username $username -password $password -ad_auth -domain staging -b bbbes -u $u -change -wrandom} -argumentlist $username $password $u
I am running
.\RandomActivationEmail.ps1 -username besadmin -password Pa$$word -u bb.user
The error that I am getting is:-
Invoke-Command : A positional parameter cannot be found that accepts argument 'Pa$$word'. At C:\Scripts\bb\RandomActivationEmail.ps1:12 char:15 + Invoke-Command <<<< -Session $s -Scriptblock {cd "C:\Program Files (x86)\Research In Motion\BlackBerry Enterprise Se rver Resource Kit\BlackBerry Enterprise Server User Administration Tool Client" + CategoryInfo : InvalidArgument: (:) [Invoke-Command], ParameterBindingException + FullyQualifiedErrorId : PositionalParameterNotFound,Microsoft.PowerShell.Commands.InvokeCommandCommand
Thanks for reading, cheers Colm.
442
How do I pass parameters to PowerShell scripts? Passing arguments in PowerShell is the same as in any other shell: you just type the command name, and then each argument, separated by spaces. If you need to specify the parameter name, you prefix it with a dash like -Name and then after a space (or a colon), the value.
To pass the argument in the Invoke-command, you need to use -ArgumentList parameter.
In the PowerShell programming language, a script block is a collection of statements or expressions that can be used as a single unit. A script block can accept arguments and return values. A script block returns the output of all the commands in the script block, either as a single object or as an array.
The “$_” is said to be the pipeline variable in PowerShell. The “$_” variable is an alias to PowerShell's automatic variable named “$PSItem“. It has multiple use cases such as filtering an item or referring to any specific object.
You can pass values via the -arguments parameter and refer to them as $args[0] and so on inside the script block:
Invoke-Command -Session $s -Scriptblock {
cd "C:\Program Files (x86)\Research In Motion\BlackBerry Enterprise Server Resource Kit\BlackBerry Enterprise Server User Administration Tool Client"
./BESUserAdminClient -username $args[0] -password $args[1] -ad_auth -domain staging -b bbbes -u $args[2] -change -wrandom
} -argumentlist $username $password $u
Or define the parameters inside the script block and use named parameters:
Invoke-Command -Session $s -Scriptblock {
param(
$username,$password,$u
)
cd "C:\Program Files (x86)\Research In Motion\BlackBerry Enterprise Server Resource Kit\BlackBerry Enterprise Server User Administration Tool Client"
./BESUserAdminClient -username $username -password $password -ad_auth -domain staging -b bbbes -u $u -change -wrandom
} -argumentlist $username $password $u
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