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Monthly Archives: September 2018
Copy-Item Container parameter
The Copy-Item Container parameter controls whether the folder structure is also copied. Lets start with the source material – a folder C:\test with a bunch of files. A destination folder C:\D1 also exists PS> Copy-Item -Path c:\test\* -Destination C:\D1 copies … Continue reading
Posted in Powershell
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-like oddity
Recently saw a question asking why this code worked PS> $a = ‘aa’ PS> $b = ‘a’ PS> $a -like “*$b*” True PS> Remove-Variable -Name b PS> $a -like “*$b*” True Set 2 variables and compare using wildcards. The comparison … Continue reading
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Comparing strings and integers
Saw an interesting problem involving the comparison of 2 numbers. In reality its was comparing strings and integers. The starting point was a CSV file but as I showed last time you can create a CSV in memory PS> $file … Continue reading
Posted in Powershell
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CSV cmdlets
I was reading something and when ConvertFrom-CSV was mentioned it made me pause and think about what that cmdlet actually did. This is a quick explanation of the CSV cmdlets. Export-CSV was available in PowerShell v1. You use it to … Continue reading
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PowerShell copy file
An article I wrote for searchwindowsserver on PowerShell file copy was published recently. The article is available at https://searchwindowsserver.techtarget.com/tip/PowerShell-commands-to-copy-files-Basic-to-advanced-methods
Posted in Powershell
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Determining the PowerShell host
The PowerShell ecosystem is more diverse than it used to be which makes determining the PowerShell host a bit more difficult. The variable $host, and its Name property, is a good starting point. PS> $host.Name ConsoleHost You get ConSoleHost if … Continue reading
Posted in Powershell
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Splitting paths
PowerShell has the Split-Path cmdlet that provides the leaf and parent of a path. But what if you’re splitting paths and need one or paths at a higher level. Consider the path PS> $path = ‘C:\Scripts\HyperV\Admin\Optimize-VMDisks.ps1’ Its just an arbitrary … Continue reading
Posted in File system, Powershell
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PowerShell v6.1
PowerShell v6.1 was released last week – there’s no big ticket items like v6.0 but a lot of bug fixes and minor improvements. You can download from https://github.com/PowerShell/PowerShell/releases and find the release notes at https://docs.microsoft.com/en-us/powershell/scripting/whats-new/what-s-new-in-powershell-core-61?view=powershell-6
Posted in PowerShell v6
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Get-Date –DisplayHint
On the surface Get-Date is a simple cmdlet that’s been around since PowerShell v1. However, it has some interesting quirks. In this post I’ll show how Get-Date –DisplayHint works. By default Get-Date returns the data and time PS> Get-Date 13 … Continue reading
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PowerShell new line
A PowerShell new line can be generated using `n. It’s one of a series of special characters recognised by PowerShell. The full list of Windows PowerShell v5.1 special characters is: `0 Null `a Alert `b Backspace `f Form feed `n … Continue reading
Posted in Powershell, PowerShell v5, PowerShell v6
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