functions/Write-Festive.ps1
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Function Write-Festive { [cmdletbinding()] [OutputType("None")] [alias("wf")] Param( [Parameter(Position = 0, Mandatory, HelpMessage = "Enter a text message", ValueFromPipeline)] [ValidateNotNullOrEmpty()] [string]$Text ) Begin { Write-Verbose "[BEGIN ] Starting: $($MyInvocation.MyCommand)" $colors = ([enum]::GetNames([System.ConsoleColor])).Where( { $_ -ne $host.ui.RawUI.BackgroundColor }) } #begin Process { $Text.ToCharArray() | ForEach-Object -begin { #define a hashtable of parameters to splat to Write-Host $ParamHash = @{NoNewLine = $True; } } -process { #use a color if not a space if ($_ -notmatch "\s") { $ParamHash.ForegroundColor = (Get-Random -InputObject $colors -count 1) $ParamHash.BackgroundColor = do { #get a background color that is different than the #ForeGroundColor Get-Random -InputObject $colors -Count 1 } until($_ -ne $ParamHash.ForegroundColor) } #if not whitespace else { #clear colors $ParamHash.Remove("ForegroundColor") $ParamHash.Remove("BackgroundColor") } #write each character to the host $_ | Write-Host @ParamHash } -end { "`n" } } #Process End { Write-Verbose "[END ] Ending: $($MyInvocation.MyCommand)" } } |