Powershell

Analyzing Event Logs

Event logs are a great source of information. The only problem is that they tend to be overwhelming. Try using WMI and the Win32_NTLogEvent class to...

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Reading Text Files

Reading text files is easy using the Get-Content cmdlet: $text = Get-Content $env:windirwindowsupdate.log However, Get-Content reads the file line...

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Sorting Text Files

You need to sort a text file, maybe a list of servers or names? Here is how: $file = $homeserverlist.txtGet-Content $file | Sort-Object |...

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Cleaning Document Folders

Often, in your document folders a lot of files exist, and most of the time they are not really organized. With the help of a little PowerShell...

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Finding Folder Changes

Compare-Object can help you monitor folder content and find changes. To monitor, first create an initial snapshot. At a later time, you can then...

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Comparing Results

PowerShell makes it easy to compare results and find only things that changed. For example, you may want to list only processes that started after a...

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Write-Protected Arrays

Arrays are by default read/write so you cannot lock down arrays and make them read-only. To create a read-only array, you can "upgrade" it...

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Turbo-Charging Arrays

Simple arrays have no built-in mechanism to insert new elements or extract elements at given positions. For example, to extract the 5. element from...

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Creating Numeric Ranges

There is a clever trick in PowerShell to create numeric ranges that you probably know: 1..10 But did you know you can use variables with this trick?...

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Creating Random Numbers

Ever wanted to create an electronic dice (or needed random numbers for other purposes)? With PowerShell, simply instantiate a Random object and call...

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Creating Lists of Letters

The easiest way to create an array of letters is to convert an array of numbers into an array of characters like this: $letters = [char[]](97..122)

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Sorting Arrays

Let's assume you have an array of items which you would like to sort. Here is the PowerShell way: $array = 1,5,32,5,7$array | Sort-Object$array...

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Analyzing URLs

URLs contain a lot of information which can be automatically parsed by PowerShell. Simply convert a URL to the System.URI type. Once you did this,...

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Escaping Text Strings

HTML on web pages uses tags and other special characters to define the page. To make sure text is not misinterpreted as HTML tags, you may want to...

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