Parse os-release into object

Get-OsInfo.ps1

function Get-OSInfo {
    [cmdletbinding(DefaultParameterSetName='Brief')]
    param (
        [Parameter(ParameterSetName='Full')]
        [Switch] $Full
    )
    process {
        $osInfoFull = (Get-Content -Path /etc/os-release).Replace('"','') | ConvertFrom-StringData
        if ($PSCmdlet.ParameterSetName -eq 'Brief') {
            $osInfoFull.PRETTY_NAME
        } else {
            $osInfoFull
        }
    }
}

Get-OSInfo
>> Ubuntu 16.04.1 LTS

Get-OSInfo -Full
>> Name                           Value
>> ----                           -----
>> NAME                           Ubuntu
>> VERSION                        16.04.1 LTS (Xenial Xerus)
>> ID                             ubuntu
>> ID_LIKE                        debian
>> PRETTY_NAME                    Ubuntu 16.04.1 LTS
>> VERSION_ID                     16.04
>> HOME_URL                       http://www.ubuntu.com/
>> SUPPORT_URL                    http://help.ubuntu.com/
>> BUG_REPORT_URL                 http://bugs.launchpad.net/ubuntu/
>> UBUNTU_CODENAME                xenial