register 7z for '.rar'-files

<#

The sample scripts are not supported under any Microsoft standard support

program or service. The sample scripts are provided AS IS without warranty

of any kind. Microsoft further disclaims all implied warranties including,

without limitation, any implied warranties of merchantability or of fitness for

a particular purpose. The entire risk arising out of the use or performance of

the sample scripts and documentation remains with you. In no event shall

Microsoft, its authors, or anyone else involved in the creation, production, or

delivery of the scripts be liable for any damages whatsoever (including,

without limitation, damages for loss of business profits, business interruption,

loss of business information, or other pecuniary loss) arising out of the use

of or inability to use the sample scripts or documentation, even if Microsoft

has been advised of the possibility of such damages.

#>

Function AssociateFileExtensions

{

    Param

    (

        [Parameter(Mandatory=$true)]

        [String[]] $FileExtensions,

        [Parameter(Mandatory=$true)]

        [String] $OpenAppPath

    )

    if (-not (Test-Path $OpenAppPath))

    {

	   throw "$OpenAppPath does not exist."

    }

    foreach ($extension in $FileExtensions)

    {

        $fileType = (cmd /c "assoc $extension")

        $fileType = $fileType.Split("=")[-1]

        cmd /c "ftype $fileType=""$OpenAppPath"" ""%1"""

    }

}

AssociateFileExtensions -FileExtensions .rar -openAppPath "$Env:Programfiles\7-Zip\7zFM.exe"

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\7-Zip.rar]

@="rar Archive"

[HKEY_CLASSES_ROOT\7-Zip.rar\DefaultIcon]

@="C:\\Program Files\\7-Zip\\7z.dll,3"

[HKEY_CLASSES_ROOT\7-Zip.rar\shell]

@=""

[HKEY_CLASSES_ROOT\7-Zip.rar\shell\open]

@=""

[HKEY_CLASSES_ROOT\7-Zip.rar\shell\open\command]

@="\"C:\\Program Files\\7-Zip\\7zFM.exe\" \"%1\""