PowerShell

Objects Commands

Work with objects and hashtables in PowerShell. Learn properties, methods, custom objects, and splatting.

12 commands

Pro Tips

Use splatting (@params) to pass multiple parameters to cmdlets for cleaner code.

Use [PSCustomObject]@{} for creating objects - it's faster than New-Object.

Commands

Create hashtable

$ $hash = @{ Key1 = 'Value1'; Key2 = 'Value2' }

Create a hashtable.

Access hashtable

$ $hash['Key1'] # or $hash.Key1

Get value from hashtable.

Add to hashtable

$ $hash['NewKey'] = 'NewValue'

Add key-value to hashtable.

Create custom object

$ [PSCustomObject]@{ Name = 'John'; Age = 30 }

Create custom object from hashtable.

Splatting

$ $params = @{ Path = 'C:\'; Recurse = $true }; Get-ChildItem @params

Pass parameters via hashtable.

Get object members

$ Get-Process | Get-Member

View properties and methods of object.

Access property

$ $obj.PropertyName

Access object property.

Call method

$ $string.ToUpper()

Call method on object.

Create array

$ $arr = @(1, 2, 3, 4, 5)

Create array of values.

Add to array

$ $arr += 6

Append to array.

JSON to object

$ $obj = Get-Content data.json | ConvertFrom-Json

Parse JSON to PowerShell object.

Object to JSON

$ $obj | ConvertTo-Json -Depth 5

Convert object to JSON string.