(PowerShell) Find and Delete Object from JSON Array

Demonstrates how to find an delete an object from a JSON array of objects.

Chilkat .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll"

# This example will delete the "Pasta" category object from Menu B.

# {
#   "menus": [
#     {
#       "name": "Menu A",
#       "categories": [
# 			{
# 			"name": "Kebabs",
# 			"description": "blah blah blah"
# 			},
# 			{
# 			"name": "Burgers",
# 			"description": "blah blah blah"
# 			},
# 			{
# 			"name": "Pasta",
# 			"description": "blah blah blah"
# 			},
# 			{
# 			"name": "Appetizers",
# 			"description": "blah blah blah"
# 			}
# 		]
# 	},
#     {
#       "name": "Menu B",
#       "categories": [
# 			{
# 			"name": "Kebabs",
# 			"description": "blah blah blah"
# 			},
# 			{
# 			"name": "Burgers",
# 			"description": "blah blah blah"
# 			},
# 			{
# 			"name": "Pasta",
# 			"description": "blah blah blah"
# 			},
# 			{
# 			"name": "Appetizers",
# 			"description": "blah blah blah"
# 			}
# 		]
# 	  }
# 	]
# }

$json = New-Object Chilkat.JsonObject
$success = $json.LoadFile("qa_data/json/menus.json")
if ($success -eq $false) {
    $($json.LastErrorText)
    exit
}

# Find Menu B.
$menu = $json.FindRecord("menus","name","Menu B",$true)
# assume menu is found..

# Get the categories array, and then find the index of the "Pasta" menu category.
$catArr = $menu.ArrayOf("categories")
# Assume it is found..

# Find the object where the name of the JSON member is "name", and the value is "Pasta"
$index = $catArr.FindObject("name","Pasta",$true)
if ($index -lt 0) {
    $("Pasta not found.")
}
else {

    # Delete the "Pasta" category record from Menu B
    $success = $catArr.DeleteAt($index)
    # Assume OK..
}

# Examine the JSON to see if it worked as expected..
$json.EmitCompact = $false
$($json.Emit())