SWI-Prolog -- http_read_passwd

Documentation
- Reference manual
- Packages
  - SWI-Prolog HTTP support
    - The HTTP server libraries
      - library(http/http_authenticate): Authenticate HTTP connections using 401 headers
        
        http_authenticate/3
        
        http_authorization_data/2
        
        http_current_user/3
        
        http_read_passwd_file/2
        
        http_write_passwd_file/2
        
        authenticate/3

Availability::- use_module(library(http/http_authenticate)).

[det]http_read_passwd_file(+Path, -Data)

Read a password file. Data is a list of terms of the format below, where User is an atom identifying the user, Hash is a string containing the salted password hash and Fields contain additional fields. The string value of each field is converted using name/2 to either a number or an atom.

passwd(User, Hash, Fields)