Vaneeswaran's Blog

The following power shell program is the similar to the Touch Command in Unix. It has the following features. create new file modify time stamp <#Read Me: Developed By: Name:Vaneeswaran N www.vaneeswaran.com #> $Function_Exit_Status = $false #Variable to store the exit status of the function function Touch_File ( $filename ) { $global:Function_Exit_Status = $false if (! [System.IO.File] ::Exists( $filename )) { echo "" > $filename $global:Function_Exit_Status = $true } else { $update = get-date try { Set-ItemProperty -Path $filename -Name LastWriteTime -Value $update $global:Function_Exit_Status = $true } catch { Log_Exception $( $_ .Exception.GetType().FullName) $( $_ .Exception.Message) $global:Function_Exit_Status = $false

The below functions can be used as Logger and Exception Logger in power shell. The Logger function can be used to log the message in a file The Log_Exception function can be used to log the exception thrown at any try{} .. catch{} statements. The Test_Exception function is a driver function  < #Read Me: Developed By: Name:Vaneeswaran N www.vaneeswaran.com #> $Function_Exit_Status = $false #Variable to store the exit status of the function function Logger ($Log_Message , $Log_File) { try { $log_str = "$(Get-Date -format " yyyy MMM d hh:mm:ss ") $Log_Message " echo $log_str >> $Log_File } catch { write-host “ Caught an exception: ” -ForegroundColor Red write-host “ Exception Type: $ ($_.Exception. GetType ().FullName) ” -ForegroundColor Red write-host “ Exception Message: $ ($_.Exception.Message) ”