Mastering Windows PowerShell Scripting - Third Edition

Non-terminating errors

A non-terminating error, a type of informational output, is written without stopping a script. Non-terminating errors are often the result of using the Write-Error command. The following function shows that processing continues after the error:

PS> function WriteError {>>     Write-Host 'First'>>     Write-Error 'Error'>>     Write-Host 'Second'>> }PS> WriteErrorFirstWriteError : ErrorAt line:1 char:1+ WriteError+ ~~~~~~~~~~+ CategoryInfo : NotSpecified: (:) [Write-Error], WriteErrorException+ FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,WriteErrorSecond

Non-terminating errors are used to notify the user that something went wrong, but that it didn't necessarily warrant shutting down a script. A user ...