Titlebook: Building Better PowerShell Code; Applying Proven Prac Adam Bertram Book 2020 Adam Bertram 2020 Powershell scripts.poweshell console.microso

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Handle Errors Gracefully,Believe it or not, your PowerShell script isn’t going to work right all the time. It will fail and fail hard sometimes. A novice developer typically doesn’t worry much about error handling. Error handling is one of those topics that separates the novices from the professionals.

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Build Tools,As you begin to write more PowerShell, you’ll probably find that you keep reinventing the wheel. This is natural. You keep repeating yourself over and over again because you’re not building upon the code you had previously created. You’re not building script libraries, modules, and tools. You’re essentially creating disposable code. Stop that!

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dysphagia

Build Scripts for Speed,Although this chapter conflicts with tips on not purely focusing on performance, there’s a fine line to follow. On the one hand, you don’t need to get bogged down shaving off microseconds of runtime. On the other hand, though, you shouldn’t completely disregard script performance.

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Use Version Control,Have you ever overwrote an important PowerShell script and wish you could go back 5 minutes in time? Has a coworker ever edited one of your scripts and broke an important server? These questions and more can be answered and resolved using one practice: version control.

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Build and Run Tests,If you’re writing PowerShell for personal, random reasons to save yourself some time, writing tests for your scripts probably isn’t worth it. But, if you’re writing PowerShell for a business in a production environment, this is a requirement.

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