powercode

using namespace System.Collections.Generic
using namespace System.Management.Automation

class RGCompleter {
    static [bool] ShouldAdd([string] $completionText, [string] $wordToComplete, [string[]] $previousCommand, [string[]] $multiOpt) {
        if ($completionText.StartsWith($wordToComplete, [StringComparison]::OrdinalIgnoreCase)){            
            if ($completionText -in $previousCommand -and $completionText -notin $multiOpt) {
                return $false
            }
            return $true

powercode

#requires -Version 5.0
using namespace System.Management.Automation
using Namespace System.Collections
using Namespace System.Collections.Generic


<#
.SYNOPSIS
    Combine items from the pipeline into a string, optionally adding single or double quotes

powercode

using namespace System.Management.Automation

function Update-LastWriteTime {
    [CmdletBinding(DefaultParameterSetName='Path', SupportsShouldProcess)]
    [OutputType([IO.FileInfo])]
    [Alias('touch')]
    param(
        [Parameter(Mandatory, ParameterSetName="Path", Position=0, ValueFromPipeline, ValueFromPipelineByPropertyName)]
        [string[]] $Path,
        [Alias('PSPath')]

powercode

# practice tasks

# task1: Get all processes that on your machine where the processname starts with 'po'
Get-Process -name po*

#task 2: Get all processes where the handlecount > 1000
Get-Process | Where-Object HandleCount -gt 1000

#task 3: How many files are there in %windir%\System32
Get-ChildItem -File -LiteralPath $env:windir/System32 | Measure-Object

powercode

using namespace System.Collections.Generic
using namespace System.Linq


class StandardDeviation{
   hidden [decimal] $Average
  
    StandardDeviation([decimal] $average){
      $this.Average = $average
    }

powercode

<Configuration>
  <!-- Add with Update-FormatData -PrependPath -->	
  <ViewDefinitions>
    <View>
      <Name>MatchInfo</Name>
       <ViewSelectedBy>
         <TypeName>Microsoft.PowerShell.Commands.MatchInfo</TypeName>
       </ViewSelectedBy>
       <CustomControl>
         <CustomEntries>