PowerShell at DDNUG

README.md

Intro to PowerShell for Developers

Welcome

• Two types of people
  • Unix Shell users
  • Command Prompts are Scary

PowerShell Basics

• You already have PowerShell
• Aliases (rm/del, mkdir/md, ls/dir)
• Verb-Noun and Get-Verb
• Write-Host
• Variables ($a = "foo")
  • Variable replacements ("Hello, $a")
• Ranges (1..10)

PowerShell is Object Oriented

• How do I get last write time from an 'ls' in shell?
• Pipeing (|)
• Filtering (? {})
• Get-Member
• Looping (% {})
• Variables (round 2)
  • Evaluations ("Hello, $($a.Length)")
• New-Object

PowerShell has a Development Environment

• ise launches the Integrated Scripting Environment

PowerShell is Dynamic

• Add-Member for NoteProperty
• Get-Member has properties not in MSDN

PowerShell loves XML

• Casting to [xml]
• Element access via properties
• The conundrum of leaf values

PowerShell does REST

• Invoke-RestMethod
• ConvertTo-Json
• ConvertFrom-Json

PowerShell drives are CRAZY

• Get-PSDrive
• Variable
• HKLM
• Env
• Alias
• Function

Customizing PowerShell

• Profiles ($PROFILE)
  • $PROFILE | Format-List -Force
  • Most developers care about 3 profiles
    • PowerShell command prompt
    • ISE
    • NuGet Package Manager Console

Modules

• Get-Module
• Get-Module -ListAvailable
• Import-Module
• PSGet.net is the NuGet of PowerShell

PowerShell does IIS

• WebAdministration
• Copy AppDomains

PowerShell does "make" via "PSake"

• Import-Module PSake
• Tasks are run only once
• Functions can still be declared