powershell INF compare.

Function Get-IniContent
{
    <#
    .Synopsis
        Gets the content of an INI file
        
    .Description
        Gets the content of an INI file and returns it as a hashtable
        
    .Notes
        Author    : Oliver Lipkau <oliver@lipkau.net>
        Blog      : http://oliver.lipkau.net/blog/
        Date      : 2010/03/12
        Version   : 1.0
        
        #Requires -Version 2.0
        
    .Inputs
        System.String
        
    .Outputs
        System.Collections.Hashtable
        
    .Parameter FilePath
        Specifies the path to the input file.
        
    .Example
        $FileContent = Get-IniContent "C:\myinifile.ini"
        -----------
        Description
        Saves the content of the c:\myinifile.ini in a hashtable called $FileContent
    
    .Example
        $inifilepath | $FileContent = Get-IniContent
        -----------
        Description
        Gets the content of the ini file passed through the pipe into a hashtable called $FileContent
    
    .Example
        C:\PS>$FileContent = Get-IniContent "c:\settings.ini"
        C:\PS>$FileContent["Section"]["Key"]
        -----------
        Description
        Returns the key "Key" of the section "Section" from the C:\settings.ini file
        
    .Link
        Out-IniFile
    #>
    
    [CmdletBinding()]
    Param(
        [ValidateNotNullOrEmpty()]
        [ValidateScript({(Test-Path $_) -and ((Get-Item $_).Extension -eq ".inf")})]
        [Parameter(ValueFromPipeline=$True,Mandatory=$True)]
        [string]$FilePath
    )
    
    Begin
        {Write-Verbose "$($MyInvocation.MyCommand.Name):: Function started"}
        
    Process
    {
        Write-Verbose "$($MyInvocation.MyCommand.Name):: Processing file: $Filepath"
            
        $ini = @{}
        switch -regex -file $FilePath
        {
            "^\[(.+)\]$" # Section
            {
                $section = $matches[1]
                $ini[$section] = @{}
                $CommentCount = 0
            }
            "^(;.*)$" # Comment
            {
                if (!($section))
                {
                    $section = "No-Section"
                    $ini[$section] = @{}
                }
                $value = $matches[1]
                $CommentCount = $CommentCount + 1
                $name = "Comment" + $CommentCount
                $ini[$section][$name] = $value
            } 
            "(.+?)=(.*)" # Key
            {
                if (!($section))
                {
                    $section = "No-Section"
                    $ini[$section] = @{}
                }
                $name,$value = $matches[1..2]
                $ini[$section][$name] = $value
            }
        }
        Write-Verbose "$($MyInvocation.MyCommand.Name):: Finished Processing file: $path"
        Return $ini
    }
        
    End
        {Write-Verbose "$($MyInvocation.MyCommand.Name):: Function ended"}
}

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