powershell wait for command to finish before proceeding

Question

In powershell I am trying to do the following:

$name = "computername"
#get installed programs
Write-Host "****APPLICATIONS"
gwmi win32_Product -ComputerName $name | select name

#gets services
write-host "****SERVICES"
Get-Service -ComputerName $name | ft

the expected output would be

****APPLICATIONS
name
of
app

****SERVICES
running services here
more services here

the actual result is

****APPLICATIONS
****SERVICES
name
of
app
running services here
more services here

I have attempted to do start-job then wait-job , but running gwmi as a job seems to output nothing to the console and sending the output to a separate file defeats the purpose of other parts of the script

I also attempted to use start-sleep and it still finishes both write-host commands before proceeding

While Win32_Product may work it is a generally regarded as a bad way to retrieve information about installed software. Even Microsoft's Hey Scripting Guys have written articles about how bad it is. I would suggest looking at this answer for a faster alternative. — StephenP
– StephenP, Commented Jan 13, 2017 at 0:13

Ash Housewares · Accepted Answer · 2017-01-12 22:12:08Z

1

Try this:

$name = "computername"
Write-Host "`n****APPLICATIONS`n"
gwmi win32_Product -ComputerName $name | % {$_.name}
write-host "`n****SERVICES"
Get-Service -ComputerName $name | ft

If you want the results alphabetical:

$name = "computername"
Write-Host "`n****APPLICATIONS`n"
$apps = gwmi win32_Product -ComputerName $name | % {$_.name}
$apps | sort
write-host "`n****SERVICES"
Get-Service -ComputerName $name | ft

edited Jan 12, 2017 at 22:12

answered Jan 12, 2017 at 22:04

Ash Housewares

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2 Comments

Cpt.Whale Over a year ago

this works perfectly, could you explain a bit what the `n does here? I've never seen this notation in powershell

Ash Housewares Over a year ago

@user19702 - That is for newline. It just makes the output easier to read by putting a blank line between the data sets. Without those characters, there would be no space between the Write-Host lines and the applications and services lists. If you want to see the difference, you can remove them and run it.

Shawn Esterman · Accepted Answer · 2017-01-12 21:39:27Z

0

Param(
    $ComputerName = 'AT805061'
)

# Get installed programs
Write-Host "`n****APPLICATIONS`n"
Get-WmiObject win32_Product -ComputerName $ComputerName | Select-Object -ExpandProperty Name | Sort-Object

# Get services
Write-Host "`n****SERVICES`n"
Get-Service -ComputerName $ComputerName | Where-Object -Property Status -eq -Value Running | Select-Object -ExpandProperty Name | Sort-Object

edited Jan 12, 2017 at 21:39

answered Jan 12, 2017 at 21:26

Shawn Esterman

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3 Comments

Shawn Esterman Over a year ago

You should try a parameter block instead of a variable. That way you could be like "C:\Scripts\ComputerInfo.ps1 -ComputerName MyComputer1" and it would run the script with that parameter.

Shawn Esterman Over a year ago

Also I believe you just need to modify your script to expand the Name property to strings. They would currently be the type: Selected.System.Management.ManagementObject

Shawn Esterman Over a year ago

Also added sorting and only selecting services that were running.

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