private/CommandNotFound.ps1
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function CommandNotFound($actions, $isUnderTest) { $ExecutionContext.SessionState.InvokeCommand.CommandNotFoundAction = { param($CommandName, $CommandLookupEventArgs) if ($CommandName -like 'get-*') { return } # don't run as part of pipeline if ($MyInvocation.Line -match "$([regex]::Escape($CommandName))\s*\|") { return } # don't run if no word characters given if ($MyInvocation.Line -notmatch '\w') { return } # don't run unless invoked interactively if ($CommandLookupEventArgs.CommandOrigin -ne 'Runspace' -and !(&$isUnderTest)) { return } $actions | % { &$_ $CommandName $CommandLookupEventArgs } }.GetNewClosure() } |