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Alex Rivera
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It's something unbelievable. This is a PowerShell code snippet in test.ps1 file: Set-StrictMode -Version 2 mkdir c:\tmp\1 # same with 'md c:\tmp\1' Start cmd.exe , navigate to folder with test.ps1 script and run it: c:\tmp>powershell ".\test.ps1" This produces the following error: The variable '$_' cannot be retrieved because it has not been set. At line:50 char:38 + $steppablePipeline.Process($_ <<<< ) + CategoryInfo : InvalidOperation: (_:Token) [], ParentContainsEr rorRecordException + FullyQualifiedErrorId : VariableIsUndefined Why? It works when started from PowerShell console but not cmd.exe. I discovered this bug in much larger script. It was a WTF moment. What is wrong with this simple script?
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