how to read nested dictionary where the keys are dotted-strings

[GaryZ]

how to read nested dictionary where the keys are dotted-strings

I have the following posted dictionary

process_dict = {

     task.com.company.job1 {

           duration = value1

     }

     task.com.company.job2

    {

           duration = value2

     }

     task3.com.company.job1 =

    {

           duration = value3

     }

}

I did the following 

| spath path=result.process_dict output=process_data
| eval d_json = json(process_data), d_keys = json_keys(d_json), d_mv = json_array_to_mv(d_keys)

...
| eval duration_type = ".duration"
...
| eval duration = json_extract(process_data, d_mv.'duration_type')

I am not able to capture the value from "duration" key.

HOWEVER, if the key was just a single word (without '.'), this would work.

ie.      task_com    instead of      task.com.company.job2

TIA

[bowesmana]

json_extract is documented as not handling periods in the names and suggests using json_extract_exact, but it does not appear to work with an array of keys 

| makeresults
| fields - _time
| eval splunk_path="{\"system.splunk.path\":\"/opt/splunk/\",\"system.splunk.path2\":\"/opt/splunk/\"}"
| eval paths=mvappend("system.splunk.path","system.splunk.path2")
| eval extracted_path=json_extract_exact(splunk_path, "system.splunk.path")
| eval extracted_path2=json_extract_exact(splunk_path, "system.splunk.path2")
| eval extracted_paths=json_extract_exact(splunk_path, paths)