Now you have an array variable which you can use to access the data in a number of ways. $userobjects = Import-CSV x:ImportDataUserList.CSV Let’s assume that you have the import file in a folder X:ImportData This is done by creating a variable which we will call $userobjects and assigning it a value using the Import-CSV CmdLet. What we do first is to bring the file using PowerShell Import-CSV into a variable as an array. I’ll go into that more deeply in an upcoming article. If the file that you want to use does not have a header row, we can add one. Note that there is a header row which is one of the most important aspects for our script. Ppocklington,Peter Back Street,M2H 4Y1,555-9876 Username,full name,email,address,postalcode,phoneĮwright,Eric Any Street,L4C 1N8,555-1212 This is what the file would look like for our sample which will be named UserList.CSV:
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The file that we will use as our example is one that contains a username, email address, street address, postal code (zip code for my US friends) and a phone number. In this example, we will use PowerShell Import-CSV to assign our data to a variable of the array type. When it comes to using PowerShell Import-CSV the best way to illustrated it is to use an example. You will find the Microsoft TechNet documentation here: PowerShell Import-CSV into Variable Regardless of the system that generates the content, we can all render and consume data using this simple and effective format. I’m often presented with data from different sources in a variety of formats, and by and large the common format used for data extracts is CSV.
:: loadfile( "$scriptRoot\taglib-sharp.Managing data inside a CSV file is surprisingly simple thanks to the PowerShell Import-CSV CmdLet. $scriptRoot = "$(Split-Path -Parent $MyInvocation.M圜ommand.Definition)" So, I wrote a script that uses FFMPEG to do the file conversion and then uses TagLib to copy over the ID3 tag info (because if a file isn’t ID3 tagged, I don’t want it). On top of that, my wife just got a karaoke machine for the kids that also only plays MP3 format.
Problem is, a lot of my audio files were stored as M4A, which the van doesn’t have a codex for. We recently got a new (used) family van that has a 40 gig hard drive in the dash to store MP3 files. $projects = $(ConvertFrom-StringData -StringData $env:projects)Īnd then you get yourself a nice hashtable 🙂
Then in the PowerShell script I cast the $projects variable as a hashtable and give it a default vaule that puts the projects environment variable into it: The trick? Use a “Text Parameter” and learn to love ConvertFrom-StringData.Īs an example, say I want a $projects hashtable with the title of the project as the key and the variant I’m building as the value… I create a Text Parameter in Jenkins like so: Another problem with “This build is parameterized” is the limited data types you can create… which I recently found out when I wrote a script that used a param and I wanted to host it in Jenkins. When you create a string parameter in a Jenkins job and give it a name of “rootPath” with a value “C:\”, what you get is an environment variable that you need to get at via $env:rootPath. What is should say is “This build has environment variables created for it” because that is what it does. In fact, the checkbox for “This build is parameterized” is pretty much a lie from a PowerShell standpoint.
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