On Friday, February 17, 2017, I posted the following puzzle on Twitter and Facebook (and here!). It shows a PowerShell function with a Write-Verbose command and asks “Why won’t this verbose string print?” You might think of this as a beginner puzzle, but after years of using PowerShell, I still hit this issue occasionally, and […]
Tag: Puzzle
Friday Puzzle Solution: What does Return keyword return?
On Friday, February 3, we posted a Friday Puzzle that shows a PowerShell function and a PowerShell class method that contain the same command sequence, including a statement with the Return keyword. The puzzle asks: What does the function return? What does the class method return? And, of course, we want to understand why. To […]
Friday Puzzle: Why doesn’t Include include?
On Friday, January 20, 2017, I posted the following puzzle on Twitter and Facebook (and here!). It shows a Get-ChildItem command where the value of the Path parameter is $PSHome, the Windows PowerShell installation directory, and the value of the Include parameter is ‘*ps1xml.’ The command returns nothing — not a single file — even […]
Friday Puzzle: What does a Catch block catch?
On Friday, January 6, 2017, I posted the following puzzle on Twitter and Facebook (here, too!). It shows a Try block that encloses an expression with an intentional error and a Catch block that writes an error. But, when you run it, the error doesn’t appear as designed. The error is supposed to say ‘Cannot […]
