function-Write-WarningLog.ps1
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<#
.SYNOPSIS Writes a message into Warning stream and into a given log file. .DESCRIPTION Writes a message into Warning stream and into a given log file. .EXAMPLE PS> Write-WarningLog -LogFilePath -Message "This is a warning" #> function Write-WarningLog { [cmdletbinding()] param ( # Parameter help description [Parameter(Mandatory=$true)] [ValidateScript({ if (-not (Test-Path $_)) { throw "You need to create a log file first using Start-Log" } else { return $true } })] [string] $LogFilePath, # Parameter help description [Parameter(Mandatory)] [string] $Message ) $Prefix = "[$([DateTime]::Now)] Warning: " Add-Content -Path $LogFilePath -Value ($Prefix + $Message) Write-Warning $Message -ErrorAction Continue } |