<# .SYNOPSIS Checks all XML files in a directory tree .DESCRIPTION This PowerShell script verifies any XML file (with suffix .xml) in the given directory tree for validity. .PARAMETER path Specifies the file path to the directory tree (current working dir by default) .EXAMPLE PS> ./check-xml-files.ps1 C:\Windows ... ✅ Checked 3387 XML files (2462 invalid, 925 valid) within 📂C:\Windows in 116 sec .LINK https://github.com/fleschutz/PowerShell .NOTES Author: Markus Fleschutz | License: CC0 #> param([string]$path = "$PWD") try { $stopWatch = [system.diagnostics.stopwatch]::startNew() $path = Resolve-Path "$path" [int]$valid = [int]$invalid = 0 Get-ChildItem -path "$path" -attributes !Directory -recurse -force | Where-Object { $_.Name -like "*.xml" } | Foreach-Object { & $PSScriptRoot/check-xml-file.ps1 "$($_.FullName)" if ($lastExitCode -eq 0) { $valid++ } else { $invalid++ } } [int]$elapsed = $stopWatch.Elapsed.TotalSeconds if ($invalid -ne 0) { "⚠️ $invalid XML files are INVALID, $valid are valid (took $($elapsed)s)." } else { "✅ All $valid XML files are valid (took $($elapsed)s)." } exit 0 # success } catch { "⚠️ Error: $($Error[0])" exit 1 }