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PowerShell provides a tremendous boon to productivity for computer professionals of all types. But, you have to admit: it can be a bit daunting to get up to speed! Indeed, as someone who has a fair amount of experience using it, I still find myself having to look up how to do …
You can certainly find a number of articles around that present PowerShell pitfalls that can easily trip you up if you are not careful. I took a different approach in my three-part series, A Plethora of PowerShell Pitfalls. The first two parts are presented in quiz format, together covering the top …
Pipelining is an important concept in PowerShell. Though the idea did not originate with PowerShell (you can find it used decades earlier in Unix, for example), PowerShell does provide the unique advantage of being able to pipeline not just text, but first-class .NET objects. Pipelining has several …
Sometimes, as a developer, you want to be be able to keep track of free space on a drive, the size of a log, the load on your CPU, the number of users logged in, etc. With PowerShell, it is typically just a matter of finding the right cmdlet amidst the large (and rapidly growing) pool of cmdlets …
“To be or not to be”. Without getting into a debate over whether Shakespeare was musing about being a logician, suffice to say that in writing prose, the rules of when and how to use quotation marks are relatively clear. In PowerShell, not so much. Sure, there is an about_Quoting_Rules …
Quick as you can, can you explain what each of these different parentheses-, brace-, and bracket-laden expressions does? ${save-items} ${C:tmp.txt} $($x=1;$y=2;$x;$y) (1,2,3 -join '*') (8 + 4)/2 $hashTable.ContainsKey($x) @(1) @{abc='hello'} {param($color="red"); "color=$color"} …
By the time you are using PowerShell to automate an increasing amount of your system administration, database maintenance, or application-lifecycle work, you will likely come to the realization that PowerShell is indeed a first-class programming language and, as such, you need to treat it as such. …
Long has it been known how to easily document your PowerShell source code simply by embedding properly formatted documentation comments right along side your code, making maintenance relatively painless… But if you advanced to writing your PowerShell cmdlets in C#, you have largely been on …
