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Run multiple programs from Powershell script

Posted on 2009-12-20
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I need to replace a VB script with a Powershell script. The script installs the components for Microsoft Office Communicator. For example,

' Install Communicator
call WSHShell.Run ("msiexec -i communicator.msi /qb! /norestart",1,True)

' Install Latest Communicator Patch
call WSHShell.Run ("msiexec -p communicator.msp /qb! /norestart",1,True)

I am trying to do the same with Powershell using:

# Install Communicator
Invoke-Expression -Command "msiexec -i communicator.msi /qb!"

# Install Latest Communicator Patch
Invoke-Expression -Command "msiexec -p communicator.msp /qb! /norestart"

The trouble is that the second program does not wait for the first program to finish. How can I force each program to wait until the previous program has finished?

Thanks
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Question by:APAGroup
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wmeerza earned 500 total points
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Author Closing Comment

by:APAGroup
ID: 31668382
I had good success with the [diagnostics.process]::start("notepad.exe").WaitForExit() method.

e.g.

# Install Communicator
[diagnostics.process]::start("msiexec.exe","-i communicator.msi /qb!").WaitForExit()

# Install Latest Communicator Patch
[diagnostics.process]::start("msiexec.exe","-p communicator.msp /qb! /norestart").WaitForExit()
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