Measure-EnvVarChanges.ps1
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#!/usr/bin/env pwsh $ErrorActionPreference = "Stop" Set-StrictMode -Version Latest function Measure-EnvVarChanges([ScriptBlock] $inner) { [Hashtable] $before = @{} Get-ChildItem Env:\ | %{ $before[$_.Name] = $_.Value } &$inner [Hashtable] $after = @{} Get-ChildItem Env:\ | %{ $after[$_.Name] = $_.Value } return ($before.Keys + $after.Keys) ` | Select-Object -Unique ` | %{ New-Object PSCustomObject -Property @{key = $_; before=$before[$_]; after=$after[$_]}} ` | ?{$_.before -ne $_.after} } |