To avoid that problem, you'll want to set -o noclobber in scripts or, better, for your login shell, and let it be inherited by subshells, including those that run your shell scripts.

The Test-Path cmdlet can keep you from going bonkers by offering a little bit of script pre-error-handling.

Anyhow, I was writing a script and given that CTP3 now supports the good old try and catch error handling methodology. My error handling logic, of course, was using it.

1) Handling errors in PowerShell scripts: Utilize Try-Catch-Finally blocks as error handling mechanisms to manage exceptions without terminating the script prematurely.

A simple four-line script unexpectedly returned a host of errors for Brien. The issue turned out to be deceptively simple.