PowerShell v3 Function New XsdFromXml

This nothing more than a wrapper for my previous posts script: PowerShell (v3) - Inferring a Schema (XSD) from XML File. Nothing new if you read the last post.

function New-XsdFromXml

{

      <#

            .NOTES

                  .Author Will Steele (will.steele@live.com)

                  .Last Modified Date: 2012/08/11

                 

            .SYNOPSIS

                  Create XSD file from XML.

           

            .EXAMPLE

                  New-XsdFromXml -Xml C:data est.xml -Xsd C:data est.xsd

                 

            .PARAMETER Xml

                  A required string indicating a file path to an .xml file.

                 

            .PARAMETER Xsd

                  A required string indicating a file path to an output .xsd file.

                 

            .LINK

                  http://learningpcs.blogspot.com/2012/08/powershell-v3-function-new-xsdfromxml.html

      #>

      [CmdletBinding()]

      param(

            $Xml,

            $Xsd

      )

      # Read xml

      $reader = [System.Xml.XmlReader]::Create($Xml)

      # Instntiate XmlSchemaSet and XmlSchemaInference to process new XSD

      $schemaSet = New-Object System.Xml.Schema.XmlSchemaSet

      $schema = New-Object  System.Xml.Schema.XmlSchemaInference

      # Infer schemaSet from XML document in $reader

      $schemaSet = $schema.InferSchema($reader);

      # Create new output file

      $file = New-Object System.IO.FileStream($Xsd, [IO.FileMode]::CreateNew)

      # Create XmlTextWriter with UTF8 Encoding to write to file

      $xwriter = New-Object System.Xml.XmlTextWriter($file, [Text.Encoding]::UTF8)

      # Set formatting to indented

      $xwriter.Formatting = [System.Xml.Formatting]::Indented

      # Parse SchemaSet objects

      $schemaSet.Schemas() |

      ForEach-Object {

            [System.Xml.Schema.XmlSchema] $_.Write($xwriter)

      }

      # Close objects with handles on file

      $xwriter.Close()

      $reader.Close()

}

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