René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Cannot enumerate named pipes with Get-ChildItem","articleBody":"# Steps to reproduce\r\n\r\nOn Windows run the following on PowerShell Core 7\r\n\r\n```powershell\r\n# Works on 5, 6, but not 7\r\nGet-ChildItem -Path '\\\\.\\pipe\\' | Select-Object -ExpandProperty FullName\r\n\r\n# Works on all\r\n[System.IO.Directory]::EnumerateFiles('\\\\.\\pipe\\')\r\n```\r\n\r\n# Expected behavior\r\n\r\n`Get-ChildItem` should return the named pipes on all PowerShell versions and match the output of the .NET method.\r\n\r\n# Actual behavior\r\n\r\nPowerShell 5 and 6 output the named pipes but 7 outputs the FullName of contents of the root drive.\r\n\r\n```none\r\nPS C:\\Users\\vagrant-domain\u003e Get-ChildItem -Path '\\\\.\\pipe\\' | Select-Object -ExpandProperty FullName\r\nC:\\PerfLogs\r\nC:\\Program Files\r\nC:\\Program Files (x86)\r\nC:\\temp\r\nC:\\tools\r\nC:\\Users\r\nC:\\Windows\r\n\r\nPS C:\\Users\\vagrant-domain\u003e [System.IO.Directory]::EnumerateFiles('\\\\.\\pipe\\')\r\n\\\\.\\pipe\\InitShutdown\r\n\\\\.\\pipe\\lsass\r\n\\\\.\\pipe\\ntsvcs\r\n\\\\.\\pipe\\scerpc\r\n...\r\n```\r\n\r\nEven using `-LiteralPath` does not work on v7 and `Get-Item -Path '\\\\.\\pipe\\` (with and without the trailing \\) fails to find a file\r\n\r\n# Environment data\r\n\r\n```none\r\n# PS v5 (works)\r\nName                           Value\r\n----                           -----\r\nPSVersion                      5.1.17763.771\r\nPSEdition                      Desktop\r\nPSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}\r\nBuildVersion                   10.0.17763.771\r\nCLRVersion                     4.0.30319.42000\r\nWSManStackVersion              3.0\r\nPSRemotingProtocolVersion      2.3\r\nSerializationVersion           1.1.0.1\r\n\r\n# PS v6 (works)\r\nName                           Value\r\n----                           -----\r\nPSVersion                      6.2.4\r\nPSEdition                      Core\r\nGitCommitId                    6.2.4\r\nOS                             Microsoft Windows 10.0.17763\r\nPlatform                       Win32NT\r\nPSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}\r\nPSRemotingProtocolVersion      2.3\r\nSerializationVersion           1.1.0.1\r\nWSManStackVersion              3.0\r\n\r\n# PS v7 (doesn't work)\r\nName                           Value\r\n----                           -----\r\nPSVersion                      7.0.0-rc.2\r\nPSEdition                      Core\r\nGitCommitId                    7.0.0-rc.2\r\nOS                             Microsoft Windows 10.0.17763\r\nPlatform                       Win32NT\r\nPSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}\r\nPSRemotingProtocolVersion      2.3\r\nSerializationVersion           1.1.0.1\r\nWSManStackVersion              3.0\r\n```","author":{"url":"https://github.com/jborean93","@type":"Person","name":"jborean93"},"datePublished":"2020-02-19T23:38:51.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":5},"url":"https://github.com/11898/PowerShell/issues/11898"}