internal/functions/Convert-DbaLSN.ps1
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function Convert-DbaLSN { <# .SYNOPSIS Converts Lsns betweent Hex and/or numeric formats .DESCRIPTION Function takes an LSN in either split Hexadecimal format () or numberic It then returns both formats in an object .PARAMETER LSN The LSN value to be converted .EXAMPLE PS C:\ $output = Convert-DbaLSN -LSN 0000002f:000044aa:002b Will return object $Output with the following value $Output.HexLSN = 0000002f:000044aa:002b $Output.NumbericLSN = #> [CmdletBinding()] param( [string]$LSN, [switch]$EnableException ) if ($LSN -match '^[a-fA-F0-9]{8}:[a-fA-F0-9]{8}:[a-fA-F0-9]{4}$') { Write-Message -Message 'Hexadecimal LSN passed in, converting to numeric' -Level Verbose $sections = $LSN.Split(':') $sect1 = [System.Convert]::ToInt64($sections[0], 16).ToString() $sect2 = [System.Convert]::ToInt64($sections[1], 16).ToString().PadLeft(10, '0') $sect3 = [System.Convert]::ToInt64($sections[2], 16).ToString().PadLeft(5, '0') $Hexadecimal = $LSN $Numeric = $sect1 + $sect2 + $sect3 } elseif ($LSN -match '^[0-9]{15}[0-9]+$') { Write-Message -Message 'Numeric LSN passed in, converting to Hexadecimal' -Level Verbose $sect1 = '{0:x}' -f [System.Convert]::ToString($LSN.Substring(0, $LSN.length - 15), 16).PadLeft(8, '0') $sect2 = '{0:x}' -f [System.Convert]::ToString($LSN.Substring($lsn.length - 14, 9), 16).PadLeft(8, '0') $sect3 = '{0:x}' -f [System.Convert]::ToString($LSN.Substring($lsn.length - 5, 5), 16).PadLeft(4, '0') $Numeric = $LSN $Hexadecimal = $sect1 + ':' + $sect2 + ':' + $sect3 } else { Stop-Function -Message 'LSN passed in is neither Numeric nor in the correct hexadecimal format' return } [PSCustomObject]@{ Hexadecimal = $Hexadecimal Numeric = $Numeric } } |