Private/NestedFunctions/Write-Rainbow.ps1
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Function Write-Rainbow { param ( [Parameter(Mandatory = $true, ValueFromPipelineByPropertyName, Position = 0, HelpMessage = 'String to display.')][System.String]$String , [Parameter(Mandatory = $false, ValueFromPipelineByPropertyName, Position = 1, HelpMessage = 'List of foreground colors.')][System.String[]]$foregroundColor = ([enum]::GetValues([System.ConsoleColor])) , [Parameter(Mandatory = $false, ValueFromPipelineByPropertyName, Position = 2, HelpMessage = 'List of background colors.')][System.String[]]$backgroundColor = 'Black' #([enum]::GetValues([System.ConsoleColor])) ) $count = 0 while ($count -le $string.Length) { # [System.Console]::BackgroundColor = $backgroundColor | Get-Random # [System.Console]::ForegroundColor = $foregroundColor | Get-Random $HostForegroundColor = $foregroundColor | Get-Random $HostBackgroundColor = $backgroundColor | Get-Random if ($string[$count] -eq ' ') { Write-Host ($string[$count]) -NoNewline } elseif ($count -eq $string.Length) { Write-Host ($string[$count]) -backgroundColor:($HostBackgroundColor) -foregroundColor:($HostForegroundColor) Write-Host ('') } else { Write-Host ($string[$count]) -backgroundColor:($HostBackgroundColor) -foregroundColor:($HostForegroundColor) -NoNewline } $count ++ } } |