PowerShell scripting: Seven tips to reduce errors (free PDF)

Provided by: TechRepublic
Topic: Software
Format: PDF
PowerShell is a robust scripting tool that lets you automate and customize your admin tasks. It can save you a ton of time—but it’s important to follow a few best practices as you develop your code. This ebook offers seven practical tips to get you started.

From the ebook:

Administrators are experiencing an increase in the number of devices they’re tasked with managing at all levels of the enterprise. According to Statista, the number of devices in 2018 is expected to reach 6.58 connected devices per end user. Unfortunately, while the number of devices is expected to rise, IT professionals are expected to do more with less. Luckily for us, tools such as PowerShell (PS) exist that give us the flexibility to leverage the infrastructure, allowing a few to do the job of many. Managing devices in an efficient manner is the key objective of utilizing PowerShell to drive your automation scripts. Regardless of whether your PS scripts are single-line cmdlets or complex multi-line functions, one thing binds them all: If the code isn’t correct, it will most certainly fail. Keeping the following points in mind will help you minimize any potential issues while mitigating errors as you develop, test, and revise your code.

Double-check your syntax
PS does an admirable job of standardizing parameters and syntax across the various cmdlets. However, individual cmdlets may contain additional unique parameters. Become familiar with these syntax changes that may exist between cmdlets and different versions of the Windows Management Framework (WMF).

Compartmentalize
When working with large or complicated logical structures of code—especially those that perform many functions—don’t just rely on the previous set of instructions to execute correctly before the next set can be performed. It is often simpler to break down the coding into smaller sections. This makes the writing, testing, troubleshooting, and updating processes much easier to manage.

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