PowerShell/Docs/check-xml-file.md
2022-11-18 17:02:20 +01:00

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## The *check-xml-file.ps1* PowerShell Script
This PowerShell script checks the given XML file for validity.
## Parameters
```powershell
check-xml-file.ps1 [[-file] <String>] [<CommonParameters>]
-file <String>
Specifies the path to the XML file to check
Required? false
Position? 1
Default value
Accept pipeline input? false
Accept wildcard characters? false
[<CommonParameters>]
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
```
## Example
```powershell
PS> ./check-xml-file myfile.xml
XML file is valid
```
## Notes
Author: Markus Fleschutz | License: CC0
## Related Links
https://github.com/fleschutz/PowerShell
## Source Code
```powershell
<#
.SYNOPSIS
Checks the given XML file for validity
.DESCRIPTION
This PowerShell script checks the given XML file for validity.
.PARAMETER file
Specifies the path to the XML file to check
.EXAMPLE
PS> ./check-xml-file myfile.xml
✔️ XML file is valid
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
param([string]$file = "")
try {
if ($file -eq "" ) { $file = read-host "Enter path to XML file" }
$XmlFile = Get-Item $file
$script:ErrorCount = 0
# Perform the XSD Validation
$ReaderSettings = New-Object -TypeName System.Xml.XmlReaderSettings
$ReaderSettings.ValidationType = [System.Xml.ValidationType]::Schema
$ReaderSettings.ValidationFlags = [System.Xml.Schema.XmlSchemaValidationFlags]::ProcessInlineSchema -bor [System.Xml.Schema.XmlSchemaValidationFlags]::ProcessSchemaLocation
$ReaderSettings.add_ValidationEventHandler({ $script:ErrorCount++ })
$Reader = [System.Xml.XmlReader]::Create($XmlFile.FullName, $ReaderSettings)
while ($Reader.Read()) { }
$Reader.Close()
if ($script:ErrorCount -gt 0) {
write-warning "Invalid XML file"
exit 1
}
"✔️ XML file is valid"
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}
```
*Generated by convert-ps2md.ps1 using the comment-based help of check-xml-file.ps1*