nvim_config/lua/config/custom.lua

local win = require("plenary.window.float")

local function open_with_reader()
  vim.cmd [[
    normal! "uyiW
  ]]
  win.centered({ winblend = 0 })
  vim.fn.termopen('reader ' .. vim.fn.getreg('u'))
end

return {open_with_reader = open_with_reader, win = win}