mtawse / fake-csv

Generating fake CSV data in ruby

fake-csv

Create fake CSV data with faker-ruby

Install gems with bundle install

Update template.yml with fake CSV definition

Run ruby fake_csv.rb to produce the output file fake.csv

Supported Data

name

Generates a first and last name separated by a space

- name: name
  type: name

integer

Generates an integer between min and max values

- name: age
  type: integer
  options:
    min: 18
    max: 100

date

Generates a date between min and max values

- name: dob
  type: date
  options:
    min: 1930-01-01
    max: 2020-01-01

postcode

Generates a UK style postcode

- name: postcode
  type: postcode

id

Generates an ID in the style of US SSN, e.g 552-56-3593

- name: patient_id
  type: id

enum

Selects a value from a supplied list. Values can be weighted

- name: gender
  type: enum
  options:
    list:
    - m
    - f
- name: ethnicity
  type: enum
  options:
    list:
    - value: white
      weight: 70
    - value: black
      weight: 30

Example output

name,age,dob,postcode,gender,ethnicity,hospital_id,patient_id
Porter Keebler,61,2014-08-05,H5D 6BB,f,white,hosp5678,422-68-4172
Evelyn Considine,100,2016-11-20,WE4 1EY,f,white,hosp5678,403-39-4811