Outputs all JSON paths for a given JSON file

Show-JsonPaths.ps1

function Show-JsonPaths {
    param(
        [Parameter(Mandatory = $true)]
        [System.Object]$custobj,
        [string] $JPath = "$",
        [switch] $OutputValues
    )

    foreach ($k in ($custobj | Get-Member -MemberType NoteProperty).Name) { 
        $isCustomType = $($custobj.$k -is [System.Management.Automation.PSCustomObject])
        $isArray = $($custobj.$k -is [System.Object[]])

        # keys with '.' need to be handled differently
        if ($k -match "\." ) { $currentJPath = "$JPath['$k']" }
        else { $currentJPath = "$JPath.$k" }

        if ($isCustomType) {
            Show-JsonPaths $custobj.$k -JPath $currentJPath -OutputValues:$OutputValues
        }
        elseif ($isArray -and ($custobj.$k[0] -is [System.Management.Automation.PSCustomObject])) {
            for ($i = 0; $i -lt $custobj.$k.Length; $i++) {
                Show-JsonPaths $custobj.$k[$i] -JPath "$currentJPath[$i]" -OutputValues:$OutputValues
            }
        }
        else {
            # output discovered data
            if ($OutputValues -eq $true) { Write-Output "$currentJPath`t=>`t$($custobj.$k)" }
            else { Write-Output "$currentJPath" }
        }
    }

}

Show-JsonPaths (ConvertFrom-Json (Get-Content -Raw $FULL_PATH_TO_JSON_FILE))