craig-martin’s gists

craig-martin / Split-JsonFile.ps1

Created November 20, 2025 17:34

PowerShell script function to split a JSON file into chunks

	function Split-JsonFile
	{
	[CmdletBinding()]
	Param(
	[Parameter(Mandatory = $true, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)]
	[ValidateNotNullOrEmpty()]
	[string]$Path,

	[Parameter()]
	[long]$MaxChunkBytes = 8MB, # Keep chunks safely under 10MB for the Kusto ingestion REST API

craig-martin / Renew-AccessToken.ps1

Created August 8, 2019 21:49

Using a Refresh Token in PowerShell

	<#
	This snippet assumes a valid refresh token. To see how to get one of those, check out:
	https://www.thelazyadministrator.com/2019/07/22/connect-and-navigate-the-microsoft-graph-api-with-powershell/#3_Authentication_and_Authorization_Different_Methods_to_Connect
	#>

	$clientId = "1950a258-227b-4e31-a9cf-717495945fc2" # This is the standard client ID for Windows Azure PowerShell
	$redirectUrl = [System.Uri]"urn:ietf:wg:oauth:2.0:oob" # This is the standard Redirect URI for Windows Azure PowerShell
	$tenant = "fabrikam.onmicrosoft.com" # TODO - your tenant name goes here
	$resource = "https://graph.microsoft.com/";
	$serviceRootURL = "https://graph.microsoft.com//$tenant"

craig-martin / ConvertEpoch-ToDateTime.ps1

Created August 8, 2019 21:34

Convert Epoch to DateTime with PowerShell

	function ConvertEpoch-ToDateTime
	{
	<#
	.Synopsis
	Converts an epoch to a DateTime
	.DESCRIPTION
	Needed this for validating JWT tokens using PowerShell. Times were specified as NumericDate per RFC7519 (https://tools.ietf.org/html/rfc7519#section-4.1.4)
	.EXAMPLE
	ConvertEpoch-ToDateTime -NumericDate 1565298477
	.EXAMPLE

craig-martin / Demo-BaseVM.ps1

Last active October 4, 2023 21:26

Create a VM in Hyper-V then Run DSC to Install SQL

	#Install-Module -Name Convert-WindowsImage
	#Requires module dism : https://docs.microsoft.com/en-us/powershell/module/dism/get-windowsoptionalfeature?view=win10-ps

	Set-Location $HOME

	$isoFilePath = 'F:\ISO\en_windows_server_2016_updated_feb_2018_x64_dvd_11636692.iso'
	$SwitchName = Get-VMSwitch -SwitchType External \| Select-Object -expand Name -First 1
	$ImageName = 'Windows Server 2016 Datacenter (Desktop Experience)'
	$ImageVhdFilePath = 'F:\VMs\Virtual Hard Disks\WindowsServer2016-Image.1.vhdx'

craig-martin / Demo-AzureADModuleV2.ps1

Created December 28, 2016 18:30

Demo-AzureADModuleV2.ps1

	### Server management tools preview (next month): https://blogs.technet.microsoft.com/servermanagement/2016/02/09/introducing-server-management-tools/

	### View the online docs
	start https://docs.microsoft.com/en-us/powershell/azuread/v2/azureactivedirectory

	### Find the module
	Find-Module AzureAD \| Select-Object *

	<#
	Version Name Repository Description

craig-martin / Demo-Pester.ps1

Created October 26, 2016 19:12

	#region Pester Training
	start https://app.pluralsight.com/library/courses/powershell-testing-pester/table-of-contents
	start https://github.com/pester/Pester/wiki
	#endregion


	#region Getting PowerShell (comes with Windows 10)

	### Find the module in the PowerShell Gallery
	Find-Module -Name Pester -Repository PSGallery

craig-martin / Demo-KeyVaultLogging.ps1

Created June 16, 2016 16:07

	<#
	Script showing how to create a KeyVault vault and enable logging
	(GUIDs redacted)
	#>

	New-AzureRmResourceGroup -Name cmartRG0614 -Location westus
	<#
	ResourceGroupName : cmartRG0614
	Location : westus
	ProvisioningState : Succeeded

craig-martin / Demo-Splatting.ps1

Created June 1, 2016 03:03


	###
	### Without splatting
	###
	Get-Process -Name dns -ComputerName localhost

	###
	### With splatting
	###
	$myparamas = @{

craig-martin / Demo-Dsc101.ps1

Last active May 15, 2022 07:45


	<#
	[Video] A Practical Overview of Desired State Configuration
	http://channel9.msdn.com/events/TechEd/NorthAmerica/2014/DCIM-B417

	[eBook] PowerShell.org DSC Hub
	http://powershell.org/wp/dsc-hub/

	[TechNet] Windows PowerShell Desired State Configuration Overview
	http://technet.microsoft.com/en-us/library/dn249912.aspx

craig-martin / PowerShell function with pipeline input by parameter name.ps1

Created March 2, 2016 18:34

PowerShell sample showing how to use a function with pipeline input by parameter name

	### Create a sample CSV file
	@'
	ColumnA,ColumnB,ColumnC
	'row1ColA','row1ColB','row1ColC'
	'row2ColA','row2ColB','row2ColC'
	'row3ColA','row3ColB','row3ColC'
	'@ \| Out-File -FilePath (Join-Path $env:TEMP testFoo.csv)

	### Import the sample CSV file
	Import-Csv -Path (Join-Path $env:TEMP testFoo.csv)

Craig Martin craig-martin