I was debugging a program that uses Windows API (Creating a Child Process with Redirected Input and Output) to capture stdout of Microsoft’s Windows PowerShell. Script passed to PowerShell (-File switch) didn’t execute and PowerShell just hanged until killed by Task Manager. It turns out that you need to use undocumented parameter “-InputFormat none”: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe …
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