A Weechat plugin coded in Ruby. This plugin allows you to run command on your machine from IRC, additionally you may choose to directly post the messages to all users in IRC with the -p option. For example: /exec -p echo 'hi'

exec.rb

#!/usr/bin/ruby
def weechat_init
  Weechat.register('exec', 'Ninjex', '1.0', 'GPL3', 'Execute a terminal command via /exec <command>', '', '')
  Weechat.hook_command('exec', 'Execute a terminal command from chat', '', '', '', 'exec', '')
  return Weechat::WEECHAT_RC_OK
end

def exec(data, buffer, args)
  to = nil
  buffer = Weechat.current_buffer
  explode = args.split('-p')
  if explode.size > 1
    query = explode.drop(1).join.strip
    to = :current_buffer
  else
    query = explode.join.strip
    to = :main_buffer
  end
  cmd_thread = Thread.new { data = `#{query} 2>&1` }
  cmd_thread.join
  if data.nil? || data.empty? || data.include?('Permission denied')
    Weechat.print("", "Permission was denied or an invalid query was given.")
  elsif to == :current_buffer
      Weechat.command(buffer, data)
  else
      Weechat.print("", data)
  end
end