Manipulate JSON File with multiple objects using Powershell - json

Question

I have a JSON File called index.json which looks like this :
{
"First": {
"href": "test/one two three.html",
"title": "title one"
},
"Second": {
"href": "test/test test/one two three four.html",
"title": "title two"
}
}
I want to write a powershell script to update the href of each object to replace the spaces with -.
The JSON file should looks like this:
{
"First": {
"href": "test/one-two-three.html",
"title": "title one"
},
"Second": {
"href": "test/test-test/one-two-three-four.html",
"title": "title two"
}
}
I got some help from this post:
Iterating through a JSON file PowerShell
I have already written a script to get all the href values, I dont know how to update the same in the original JSON file. My script looks like this:
function Get-ObjectMembers {
[CmdletBinding()]
Param(
[Parameter(Mandatory=$True, ValueFromPipeline=$True)]
[PSCustomObject]$obj
)
$obj | Get-Member -MemberType NoteProperty | ForEach-Object {
$key = $_.Name
[PSCustomObject]#{Key = $key; Value = $obj."$key"}
}
}
$a = Get-Content 'index.json' -raw | ConvertFrom-Json | Get-ObjectMembers
foreach($i in $a){
$i.Value.href.Replace(" ","-")
}

Answer 1

I've done it this way.
$path='index.json'
$Content= (Get-Content $path -raw | ConvertFrom-Json)
$memberNames=( $Content | Get-Member -MemberType NoteProperty).Name
foreach($memberName in $memberNames){
($Content.$memberName.href)=($Content.$memberName.href).Replace(" ","-")
}
$Content | ConvertTo-Json | Out-File $path -Append