Update My Modules

gistfile1.txt

# I'm using the PS module called PSWriteColor for a better and easy display in the console
if (-not (get-module -Name PSWriteColor -ListAvailable) )
    {
    #Module PSWriteColor not installed
    Install-module -Name PSWriteColor
    Import-Module PSWriteColor
    }
    
function Update-MyModule
                {
                    [CmdletBinding()]
                    [Alias()]
                    [OutputType([String])]
                    Param
                    (
                        # Description d’aide param1
                        [Parameter(Mandatory = $true)]
                        [ValidateSet('CurrentUser', 'AllUsers')]
                        $Scope
                    )

                    Begin
                    {
                        $InstalledModules = Get-InstalledPSResource -Scope $Scope
                    }
                    Process
                    {
                        # initiating counter
                        $counter = 0
                        foreach ($Item in $InstalledModules)
                        {
                            $LastVersion = (Find-PSResource -Name $item.Name).Version
                            if ([Version]$LastVersion -gt [version]$Item.Version)
                            {
                                Write-Verbose "$LastVersion is greater than $($Item.Version) for $($item.name)"
                                Find-PSResource -Name $($item.Name) | Update-PSResource -Scope $Scope -Force -SkipDependencyCheck
                                Write-Color "$($Item.Name) ", 'has been updated from ', "$($Item.Version) ", 'to ', "$Lastversion" -Color Yellow, Green, Yellow, Green, Yellow
                                $counter++
                                Write-Verbose "removing old version for $($item.Name)"
                                Uninstall-PSResource -Name $($item.Name) -Version $($item.Version) -Scope $Scope -SkipDependencyCheck
                            }
                        }
                    }
                    End
                    {
                        Write-Color "$counter ", 'modules has been updated for ', "$Scope" -Color Yellow, Green, Yellow
                    }
                }

#Example of use
Update-MyModule -Scope CurrentUser
Update-MyModule -Scope AllUsers