Generating Dynamic Powershell With Script Blocks

Shane O’Neill walks us through the concept of script blocks in Powershell:

…recently, I ran into an issue in PowerShell that, if it had been in SQL, I would have solved it quite handily with some Dynamic SQL.

Alas, this is PowerShell” I thought to myself. “And there is no way that one knows of that one can create dynamic commands that can be built up itself!“.

Now, there is two things that you have to realise for when I’m thinking to myself:

  1. I think more fancy that I am in real life, and
  2. I’m nearly always wrong!

So please see below for my example problem and the “dynamic PowerShell” created to overcome the issue!

Check it out, and then imagine how to perform Powershell injection.

Related Posts

Working With The Databricks API Via Powershell

Gerhard Brueckl has a Powershell module for interacting with Databricks, either Azure or AWS: As most of our deployments use PowerShell I wrote some cmdlets to easily work with the Databricks API in my scripts. These included managing clusters (create, start, stop, …), deploying content/notebooks, adding secrets, executing jobs/notebooks, etc. After some time I ended […]

Read More

Managing Powershell Core On Non-Windows Machines

Max Trinidad shows us how to grab the latest version of Powershell Core if you aren’t using Windows: So, if PowerShell Core isn’t available in the package repository, with a few steps you can download and install PowerShell. But, the first thing I do is to remove it before installing. Ubuntu ## - When PowerShell […]

Read More

Categories

July 2018
MTWTFSS
« Jun Aug »
 1
2345678
9101112131415
16171819202122
23242526272829
3031