How to use powershell.exe with -Command using a scriptblock and parameters

Question

For reasons that should not impact the current question I need to run a script, with the definition and parameters outside the command, inside a different PowerShell instance, w

Answer 1

Not sure if this helps I added a few things to your original script and changed $args to $z and it seemed to work.

$script={
param($a1 =1 ,$a2 = 2)
$a1*6
$a2*5
test-connection -Count 2 www.google.com
Write-Output $a1
Write-Output $a2
}
$z=@(8,'abc')
$abc = powershell.exe -WindowStyle Hidden -NonInteractive -Command $script -args $z 

$abc

48
abcabcabcabcabc

PSComputerName                 : ok
IPV4Address                    :1.1.1.4
IPV6Address                    : 
__GENUS                        : 2
__CLASS                        : Win32_PingStatus
__SUPERCLASS                   : 
__DYNASTY                      : Win32_PingStatus
__RELPATH                      : Win32_PingStatus.Address="www.google.com",BufferSize=32,NoFragmentation=FALSE,RecordRoute=0,ResolveAddressNames=FALSE,SourceRou
                                 te="",SourceRouteType=0,Timeout=4000,TimestampRoute=0,TimeToLive=80,TypeofService=0
__PROPERTY_COUNT               : 24
__DERIVATION                   : {}
__SERVER                       : ok
__NAMESPACE                    : root\cimv2
__PATH                         : \\ok\root\cimv2:Win32_PingStatus.Address="www.google.com",BufferSize=32,NoFragmentation=FALSE,RecordRoute=0,ResolveAddressName
                                 s=FALSE,SourceRoute="",SourceRouteType=0,Timeout=4000,TimestampRoute=0,TimeToLive=80,TypeofService=0
Address                        : www.google.com
BufferSize                     : 32
NoFragmentation                : False
PrimaryAddressResolutionStatus : 0
ProtocolAddress                :1.1.1.4
ProtocolAddressResolved        : 
RecordRoute                    : 0
ReplyInconsistency             : False
ReplySize                      : 32
ResolveAddressNames            : False
ResponseTime                   : 19
ResponseTimeToLive             : 252
RouteRecord                    : 
RouteRecordResolved            : 
SourceRoute                    : 
SourceRouteType                : 0
StatusCode                     : 0
Timeout                        : 4000
TimeStampRecord                : 
TimeStampRecordAddress         : 
TimeStampRecordAddressResolved : 
TimestampRoute                 : 0
TimeToLive                     : 80
TypeofService                  : 0


PSComputerName                 : ok
IPV4Address                    :1.1.1.4
IPV6Address                    : 
__GENUS                        : 2
__CLASS                        : Win32_PingStatus
__SUPERCLASS                   : 
__DYNASTY                      : Win32_PingStatus
__RELPATH                      : Win32_PingStatus.Address="www.google.com",BufferSize=32,NoFragmentation=FALSE,RecordRoute=0,ResolveAddressNames=FALSE,SourceRou
                                 te="",SourceRouteType=0,Timeout=4000,TimestampRoute=0,TimeToLive=80,TypeofService=0
__PROPERTY_COUNT               : 24
__DERIVATION                   : {}
__SERVER                       : ok
__NAMESPACE                    : root\cimv2
__PATH                         : \\ok\root\cimv2:Win32_PingStatus.Address="www.google.com",BufferSize=32,NoFragmentation=FALSE,RecordRoute=0,ResolveAddressName
                                 s=FALSE,SourceRoute="",SourceRouteType=0,Timeout=4000,TimestampRoute=0,TimeToLive=80,TypeofService=0
Address                        : www.google.com
BufferSize                     : 32
NoFragmentation                : False
PrimaryAddressResolutionStatus : 0
ProtocolAddress                :1.1.1.4
ProtocolAddressResolved        : 
RecordRoute                    : 0
ReplyInconsistency             : False
ReplySize                      : 32
ResolveAddressNames            : False
ResponseTime                   : 21
ResponseTimeToLive             : 252
RouteRecord                    : 
RouteRecordResolved            : 
SourceRoute                    : 
SourceRouteType                : 0
StatusCode                     : 0
Timeout                        : 4000
TimeStampRecord                : 
TimeStampRecordAddress         : 
TimeStampRecordAddressResolved : 
TimestampRoute                 : 0
TimeToLive                     : 80
TypeofService                  : 0

8
abc

Answer 2

This answer isn't 100% relevant to the original poster, because they are trying to run PowerShell from within PowerShell. I am trying to run it PowerShell from either a command prompt, or specifically WMI. A little background: the reason I'm trying to do this is because PowerShell remoting is not enabled on my target machine and I want to enable it. I can't use winrm because it requires user input. So, this works:

$x=Get-WmiObject -ComputerName "<computer name>" -Namespace "root\cimv2" -Class "Win32_Process" -List
$x.Create('C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -Command "& C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -Command {Enable-PSRemoting}"',$null,$null)

Results:

__GENUS          : 2
__CLASS          : __PARAMETERS
__SUPERCLASS     : 
__DYNASTY        : __PARAMETERS
__RELPATH        : 
__PROPERTY_COUNT : 2
__DERIVATION     : {}
__SERVER         : 
__NAMESPACE      : 
__PATH           : 
ProcessId        : 12508
ReturnValue      : 0
PSComputerName   : 

I should probably post this in a different question, but this one came up on a google search for "how to pass scriptblock to powershell.exe", so I thought it would be useful here.