psPAS

5.5.110

Private/Compare-MinimumVersion.ps1

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 Function Compare-MinimumVersion {
    <#
    .SYNOPSIS
    Compares 2 version numbers

    .DESCRIPTION
    Compares 2 System.Version numbers.
    Returns True if Version is greater than or equal to MinimumVersion

    .PARAMETER Version
    A Version to compare against a Minimum Version

    .PARAMETER MinimumVersion
    The Minimum Version to compare against

    .EXAMPLE
    Compare-MinimumVersion -Version "9.8.0" -MinimumVersion "8.9.0"

    Returns True

    .EXAMPLE
    Compare-MinimumVersion -Version "9.8.0" -MinimumVersion "9.9.0"

    Returns False

    .NOTES

    #>
    [CmdletBinding()]
    [OutputType('System.Boolean')]
    Param(
        # A Version to compare against a Minimum Version
        [Parameter(
            Mandatory = $true,
            ValueFromPipelineByPropertyName = $true
        )]
        [Alias('ExternalVersion')]
        [System.Version]
        $Version,

        # The Minimum Version to compare against
        [Parameter(
            Mandatory = $true,
            ValueFromPipelineByPropertyName = $true
        )]
        [System.Version]
        $MinimumVersion
    )

    Begin { }

    Process {

        # Only compare if version greater than "0.0"
        If ($Version -gt '0.0') {

            #Determine if Version is greater than or equal to MinimumVersion
            If ($Version -ge $MinimumVersion) {

                #Version is greater than or equal to MinimumVersion
                $True

            } Else {

                #Version is less than MinimumVersion
                $False

            }

        }

        #Version is 0.0
        Else {

            #Skip - Return True
            $True

        }

    }

    End { }

}