handle no title or description for a field

[dennisangemi]

Avoid printing null

Related issue: #3

Input:

  - path: data/press.csv
    name: press
    profile: tabular-data-resource
    scheme: file
    format: csv
    hashing: md5
    encoding: utf-8
    schema:
      fields:
        - name: id
          type: integer
        - name: post_id
          type: integer
          title: Post ID
        - name: url
          title: Post URL
          type: string
          format: uri
        - name: post_title
          type: string
        - name: post_subtitle
          type: string
        - name: type
          title: Post type
          type: string
          constraints:
            enum:
              - articolo
              - fact-checking
        - name: source
          type: string
          title: Post source
        - name: subject
          type: string
        - name: list
          type: string
        - name: subject_id
          type: integer
        - name: list_id
          type: integer

Ouput:

📄 press

• Path: data/press.csv
• Encoding: utf-8

Field	Type	Description	Example
id	integer	null	1
post_id	integer	Post ID	1
url	string	Post URL	https://pagellapolitica.it/articoli/guida-sondaggi-politici
post_title	string	null	Guida alla lettura dei sondaggi politic
post_subtitle	string	null	Nelle prossime settimane ne vedremo decine: le informazioni utili per
saperli leggere
type	string	Post type	articolo
source	string	Post source	Pagella Politica
subject	string	null
list	string	null
subject_id	integer	null
list_id	integer	null

[dennisangemi]

see

• Return empty string instead of "null" with "jq --raw-output" ? jqlang/jq#354 (comment)
• Return empty string instead of "null" with "jq --raw-output" ? jqlang/jq#354 (comment)