altrive’s gists

altrive / New-IseCustomSnippet.ps1

Last active June 8, 2019 04:44

Utility function to create custom PowerShell ISE code snippets

	function New-IseCustomSnippet
	{
	param (
	[ValidateNotNullOrEmpty()]
	[Parameter(Mandatory)]
	[string] $Title,
	[ValidateNotNullOrEmpty()]
	[string] $Description = "Description",
	[string] $Author = "",
	[Parameter(Mandatory)]

altrive / paiza.cs

Last active December 30, 2015 11:39

paizaオンラインハッカソンVol.1 https://paiza.jp/poh/ec-campaign のC#版結果: http://paiza.jp/poh/ec-campaign/result/f29e7304681bf8998f4efbd1bed78c4e

	using System;
	using System.Runtime.InteropServices;


	public static class Program
	{
	[DllImport("libc")]
	static extern void printf(string format, int value);

	[DllImport("libc")]

altrive / XmlElementRemoting.ps1

Created November 23, 2013 18:55

XmlElement can't pass remote command parameter.

	$xmlDocument = [xml] "<root><elem>abcd</elem></root>"
	$xmlElement = $xmlDocument.root

	Invoke-Command localhost -ScriptBlock {
	$arg = $using:xmlDocument
	Write-Host ("Type={0}, Value={1}" -f $arg.GetType(), $arg.OuterXml)
	}

	Invoke-Command localhost -ScriptBlock {
	$arg = $using:xmlElement

altrive / config.ps1

Created November 23, 2013 17:02

Sample config to create Hyper-V VM

	#global variable
	$global:ctx = @{
	VmName = "Windows 8.1"
	Operation = ""
	Session = $null

	ComputerName = "TestPC"
	DomainJoin =@{
	Name = "TEST.local"
	Credential = Get-SavedCredential -Id DomainAdmin

altrive / PSModuleLoading.psm1

Created November 23, 2013 14:41

Custom PSmodule sample to load command defined separated files using dot-sourcing.

	#Write-Host "Load script files..." -ForegroundColor DarkGray

	$scriptFiles = Get-ChildItem "$PSScriptRoot\.ps1" -Exclude ".Tests.ps1" -Recurse
	foreach ($script in $scriptFiles)
	{
	#Write-Host "`tLoad script:" $script.Name -ForegroundColor DarkGray
	try
	{
	#TODO: Suppress $Error entry recorded after module loading completed(can't suppress inside psm1 module?)
	. $script.FullName

altrive / CollectionFilteringPerformance.ps1

Last active December 28, 2015 11:49

Compare PowerShell collection filtering performance

	$N = 1000

	$services = Get-Service

	# 1.Powershell v2 'where' filtering syntax
	$sw = [Diagnostics.Stopwatch]::StartNew()
	foreach ($i in 1..$N)
	{
	$services \| where { $_.Status -eq 'Running' } > $null
	}

altrive / Add-ISEAddinWithMultiKeyShortcut

Last active May 23, 2023 13:51

PowerShell ISE don't support multi-sequence keyboard shortcuts like Ctrl+K,Ctrl+D by default. It need to create MultiKeyGesture class inherited from KeyGesture.

	$ErrorActionPreference = "Stop"

	function Main
	{
	if ($Host.Name -ne "Windows PowerShell ISE Host"){
	return
	}

	$menus = $psISE.CurrentPowerShellTab.AddOnsMenu.Submenus

altrive / Show-GitHubRepositoryChartByMonth.ps1

Last active January 15, 2016 13:58

Create chart, Github PowerShell repository created by month.

	$ErrorActionPreference = "Stop"

	function Main
	{
	$list = New-Object Collections.ArrayList
	foreach ($year in 2010..2013)
	{
	foreach ($month in 1..12)
	{
	$date = New-Object DateTime($year, $month, 1)

altrive / PSFeatureRequest.md

Last active April 13, 2018 09:29

PowerShellに追加してほしい機能のメモ書き

PowerShellに追加してほしい機能

varキーワードによる変数宣言。変数宣言の場所がどこなのかわからないので。
classキーワードによるクラス構文。オブジェクト指向としての機能は基本不要だけど、変数と操作メソッドをセットで扱いたいことがある。
usingによるリソース破棄構文。try/finallyはネストが深くなりすぎるので。
三項演算子(?)とnull合体演算子(??)のサポート。

altrive / Add-TypeDefinition

Last active December 24, 2015 07:49

Sample code to to import C# type definition to avoid type name conflict.when Add-Type called multiple times.

	Set-StrictMode -Version Latest
	$ErrorActionPreference = "Stop"

	function Main
	{
	Add-TypeDefinition

	$sw = [Diagnostics.Stopwatch]::StartNew()

	$task1 = [PSContext]::StartNew({ Get-Process; sleep 2;})