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One of the benefits of developing cmdlet-style commands instead of basic functions, is that they offer a few “common parameters.” Two of these common parameters are related to error handling: -Error Action and -Error Variable.
For more information about common parameters in advanced functions and compiled cmdlets, run this command at the Windows Power Shell prompt: Get-Help -Name about_Common Parameters; Error Variable Parameter Normally, if you run a Windows Power Shell command and an error occurs, the error record will be appended to the “automatic variable” named $error.
There are three types of errors in programming: (a) Syntax Errors, (b) Runtime Errors, and (c) Logical Errors.
It is possible to change the error handler to apply for only some errors, that way the script can handle different errors in different ways.
However, in this example we are going to use our custom error handler for all errors: function you can send error logs to a specified file or a remote destination.
But have you ever wondered if that was the only way to handle errors?
It turns out that although it’s a great way to handle errors, there are still other options!