René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Add Where-Object -Not support","articleBody":"I often have the need to filter for objects that do not have a property specified or who have a falsey value for a property by doing something like the following:\r\n\r\n```\r\n$Computers = [PSCustomObject]@{\r\n    ComputerName = \"SPC-1234\"\r\n    IPAddress = \"192.168.0.1\"\r\n},\r\n[PSCustomObject]@{\r\n    ComputerName = \"BGP-5678\"\r\n    IPAddress = \"\"\r\n},\r\n[PSCustomObject]@{\r\n    ComputerName = \"MGC-9101\"\r\n}\r\n\r\n$Computers | \r\nWhere {-not $_.IPAddress }\r\n```\r\n```\r\nComputerName IPAddress\r\n------------ ---------\r\nBGP-5678              \r\nMGC-9101 \r\n```\r\n\r\nIf I am doing the opposite test I can avoid using a script block with Where-Object:\r\n\r\n```\r\n$Computers |\r\nWhere IPAddress\r\n```\r\n\r\n```\r\nComputerName IPAddress  \r\n------------ ---------  \r\nSPC-1234     192.168.0.1\r\n```\r\n\r\nI would like to be able to also avoid using a script block when using -Not which would enable the following:\r\n```\r\n$Computers | \r\nwhere -not IPAddress\r\n```","author":{"url":"https://github.com/ChrisMagnuson","@type":"Person","name":"ChrisMagnuson"},"datePublished":"2017-04-11T12:58:24.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":8},"url":"https://github.com/3529/PowerShell/issues/3529"}