How to extract $lastexitcode from c# powershell script execution.
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Published on 2009-04-19T18:10:37Z
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Hi, I've got a scipt executing in C# using the powershell async execution code on code project here:
I need to return the $lastexitcode and Jean-Paul describes how you can use a custom pshost class to return it. I can't find any method or property in pshost that returns the exit code.
This engine I have needs to ensure that script executes correctly.
Any help would be appreciated.
regards Bob.
Its the $lastexitcode and the $? variables I need to bring back.
Hi,
Finally answered.
I found out about the $host variable. It implements a callback into the host, specifically a custom PSHost object, enabling you to return the $lastexitcode. Here is a link to an explanation of $host.
http://mshforfun.blogspot.com/2006/08/do-you-know-there-is-host-variable.html
It seems to be obscure, badly documented, as usual with powershell docs. Using point 4, calling $host.SetShouldExit(1) returns 1 to the SetShouldExit method of pshost, as described here.
http://msdn.microsoft.com/en-us/library/system.management.automation.host.pshost.setshouldexit(VS.85).aspx
Its really depends on defining your own exit code defintion. 0 and 1 suffixes I guess.
regards Bob.
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