Talk with ChatGPT from CLI.

chatgpt.rb

#!/usr/bin/ruby
require 'bundler/inline'
gemfile do
  source 'https://rubygems.org'
  gem 'shellwords'
end

CHATGPT_URI = "https://chat.openai.com/chat"

def get_page_info
  `chrome-cli info`.split("\n").map{|line| line.split(": ")}.to_h
end

def exec_js(js)
  js = Shellwords.escape(js)
  `chrome-cli execute #{js}`
end

info = get_page_info
unless info["Url"].start_with?(CHATGPT_URI)
  puts "Please open #{CHATGPT_URI} in Chrome."
  exit
end

trap("INT") { exit }
loop do
  puts "Input text: until empty line"
  text = ""
  while line = gets
    line.chomp!
    break if line.empty?
    text += line + " "
  end
  exec_js <<-JS
  document.querySelector("form textarea").value = "#{text}";
  document.querySelector("form button").click();
  JS
end