get the warn and errors for the azure emulator log file (assuming pretty std log4net set up)

Get-AzureEmulatorErrors.ps1

function Get-AzureEmulatorErrors
{
	$LocalApplicationDataPath = [Environment]::GetFolderPath([System.Environment+SpecialFolder]::LocalApplicationData)
	$AzureResourceRoot = "$LocalApplicationDataPath\dftmp\Resources"
	Write-Host "Local Azure Resource Root: $AzureResourceRoot"
	pushd "$AzureResourceRoot"
	$logs = (dir -Recurse *\directory\LoggingStorage\*.log)
	$ErrorAndWarnLines = $logs | Select-String -pattern "\[ERROR\]|\[WARN \]"
	$entries = $ErrorAndWarnLines | select LineNumber, `
                                       Line, `
                                       @{Name="Path";Expression={$_.RelativePath($AzureResourceRoot)}}, `
                                       @{Name="Level";Expression={$_.Line.Substring(1,5)}}, `
                                       @{Name="Project";Expression={$_.Path.Split('\')[-1].Split('.')[0]}}
	popd
	return $entries
}