powershell Avoid Leaving PowerShell Side-Effects on the Pipeline In the unrelated picture, look, I have started to learn how to draw! This evening, I dug myself out of a PowerShell trap that has caught me dozens of times: leaving values on
powershell PowerShell: List TCP Connections for a Process Get-Process -Name testhost | ForEach-Object { Get-NetTCPConnection -OwningProcess $_.Id -State Established; } | Select-Object -First 50 -Property CreationTime, OwningProcess, LocalPort, State, RemoteAddress | Sort-Object LocalPort | Format-Table
powershell Check whether two C# builds result in binaries that are functionally identical (within reasonable limits). I spent some of my weekend determining whether the IL changed between builds. The following script builds a solution, generates intermediate language from the build result, filters out stuff that always changes (such
powershell How to use PowerShell to release a locked Windows port? Let's say we want to release port 8081 (and we do not want to restart our computer). First, find the Process ID that is using the port. The easy way: Get-Process -Id (Get-NetTCPConnection
powershell List all the keyboard shortcuts that are available in PowerShell. From within PowerShell, run the following commandlet: Get-PSReadLineKeyHandlerThat prints all the key bindings that are available out-of-the-box in PowerShell Desktop 5.1 and PowerShell Core 7.1. Some of them are more like
powershell PowerShell One-Liner: insert a space between each capital letter; convert PascalCase to Pascal Case PS> ('FooBar' -creplace '([A-Z])', ' $1').Trim() Foo Bar
git PowerShell and Git to Capitalize all the Files in a Directory on Windows Windows is a case-folding operating system, which means that changing the case of a file name is non-trivial. The following uses PowerShell and Git to capitalize all the files names in a directory.
powershell Trim Trailing Whitespace from All Files in a Directory This one liner trims trailing whitespace from every file in the current directory. dir -rec -file | % { $t = $_ | gc | % { $_.TrimEnd() }; sc $_.FullName $t; } Annotated Version: Note that in the outer loop $_ refers to the
powershell Permanently modify an environmental variable from PowerShell For instance, here we are adding to the PATH. PS> $addMe = "C:\utilities"; PS> [Environment]::SetEnvironmentVariable("PATH", $env:Path + ";" + $addMe, [System.EnvironmentVariableTarget]::Machine); This also
powershell Powershell: Trim trailing whitespace from all files recursively One Line: ls -r *.cs | % {(gc $_ | % { $_.TrimEnd() }) | sc $_ } Multiple Lines (same command): Get-ChildItem -Recurse *.cs | ForEach-Object { (Get-Content $_ | ForEach-Object { $_.TrimEnd() }) | Set-Content $_ } Note that we're filtering for files with a *.cs extension. To include all
asp.net-core Use PowerShell to inspect project.json properties across directories Get the Member: Inspect buildOptions: dir -Recurse project.json | % { gc -Raw $_ | convertfrom-json | gm buildOptions } Inspect runtimes: dir -Recurse project.json | % { gc -Raw $_ | convertfrom-json | gm buildOptions } Select the Member: Inspect buildOptions: dir -Recurse project.
