Automatic Variables In Powershell

Constantine Kokkinos has a list of automatic variables in Powershell:

Been a few days of learning since I last wrote one of these, but I have come back to the automatic variables page on the PowerShell documentation enough times that I think I should just blog the important parts for myself.

  • $?TRUE/FALSE if the last thing you did succeeded.

  • $_ – Something everyone uses in posh, current pipeline object.

  • $Args – all the undeclared params passed to a function, try to avoid.

  • $Error – the array of error objects that represent a stack of the most recent errors. use $Errors0 to get the most recent error.

Read on for more variables.

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