mklement0’s gists

mklement0 / Touch-File.ps1

Last active September 10, 2024 14:52

PowerShell function that provides functionality similar to the Unix touch utility for updating last-modified file timestamps and creating files on demand.

	<#

	Prerequisites: PowerShell v5.1 and above (verified; may also work in earlier versions)
	License: MIT
	Author: Michael Klement <[email protected]>

	DOWNLOAD and INSTANT DEFINITION OF THE FUNCTION:

	irm https://gist.github.com/mklement0/82ed8e73bb1d17c5ff7b57d958db2872/raw/Touch-File.ps1 \| iex

mklement0 / Enter-AdminPSSession.ps1

Last active March 20, 2025 12:50

Universal PowerShell script (PSv3+) that enters an admin (elevated) session on the local computer and optionally executes commands unattended

	<#

	Prerequisites: PowerShell v3+
	License: MIT
	Author: Michael Klement <[email protected]>

	DOWNLOAD and DEFINITION OF THE FUNCTION:

	irm https://gist.github.com/mklement0/f726dee9f0d3d444bf58cb81fda57884/raw/Enter-AdminPSSession.ps1 \| iex

mklement0 / IniFileHelper.psm1

Last active February 24, 2025 18:01

PowerShell module for reading and writing INI files on Windows, via the Windows API

	<#
	Windows-only module for reading from / updating INI files, via the Windows API.

	You can either:

	* download this script module (IniFileHelper.psm1) and use Import-Module to import it into a session;
	If you place it in a subdirectory named IniFileHelper in in one of the directories listed in $env:PSModulePath,
	it will automatically be available in future sessions.

	* for ad-hoc use, download the code and create a dynamic, transient module for the

mklement0 / Get-HelpFile.ps1

Last active April 3, 2019 16:21

Edition-agnostic PowerShell script/function for locating help-topic source files, optionally by part of their file name.

	<#
	NOTE:

	It is BEST TO DOT-SOURCE (.) THIS SCRIPT, which defines a function of the same
	name for later use.

	While it is possible to invoke this script directly, its help can then only
	be invoked with the -? switch, providing only terse help,
	whereas dot-sourcing provides full Get-Help integration.
	Similarly, only with dot-sourcing do you get tab completion.

mklement0 / Invoke-Life.ps1

Created October 23, 2018 14:33

PowerShell script that implements a terminal-based version of Conway's Game of Life (see https://en.wikipedia.org/wiki/Conway%27s_Game_of_Life)

	<#
	.SYNOPSIS
	A terminal-based implementation of Conway's Game of Life.

	.DESCRIPTION
	Conway's Game of Life is a zero-player game that simulates a cellular automaton.
	See https://en.wikipedia.org/wiki/Conway%27s_Game_of_Life for background.

	The initial state can be seeded explicitly or, by default, randomly.

mklement0 / Get-InstalledProgram.ps1

Last active August 9, 2021 16:19

Windows PowerShell script that gets information about installed programs (applications), via the registry by default, optionally via the PackageManagement module

	<#
	.SYNOPSIS
	Gets installed programs on Windows.
	.DESCRIPTION
	Gets installed programs (applications) on Windows, either via the registry or, optionally,
	via the Get-Package cmdlet, optionally filtered by
	display-name substrings.

	NOTE: As of PowerShell, v7.2, -UsePackageManagement only works in Windows PowerShell
	(with the PackageManagement module installed).

mklement0 / Invoke-WithEnvironment.ps1

Created October 10, 2018 02:27

PowerShell script/function that invokes a command with a temporarily modified environment.

	function Invoke-WithEnvironment {
	<#
	.SYNOPSIS
	Invokes commands with a temporarily modified environment.

	.DESCRIPTION
	Modifies environment variables temporarily based on a hashtable of values,
	invokes the specified script block, then restores the previous environment.

	.PARAMETER Environment

mklement0 / Get-SpecialFolder.ps1

Last active September 25, 2018 04:25

Get-SpecialFolder: PowerShell function that retrieves special folder (known folders), i.e., folders with special meaning to the OS.

	function Get-SpecialFolder {
	<#
	.SYNOPSIS
	Gets special (known) folders.

	.DESCRIPTION
	Gets items representing special folders (directories), i.e.,
	folders whose purpose is predefined by the operating system.

	In a string context, each such item expands to the full, literal path it

mklement0 / New-CsvSampleData.ps1

Last active September 25, 2018 04:26

New-CsvSampleData: PowerShell function for automated creation of sample CSV data

	function New-CsvSampleData {
	<#
	.SYNOPSIS
	Generates CSV sample data.

	.DESCRIPTION
	Generates simple CSV sample data as either a single multiline string or
	an array of lines.

	For now, the data-row field values are simply constructed as:

mklement0 / Get-OpenFiles.ps1

Last active April 1, 2019 18:52

Get-OpenFiles: PowerShell function for locating open files in a given directory [subtree]

	function Get-OpenFiles {
	<#
	.SYNOPSIS
	Finds open files.

	.DESCRIPTION
	Finds files currently being held open by any process and reports them as
	[System.IO.FileInfo] instances, as Get-ChildItem would.

	In fact, this function supports all parameters that Get-ChildItem does and

Michael Klement mklement0