repl.vim/autoload/repl/ruby.vim

scriptencoding utf-8

function! repl#ruby#open_repl() abort
  " Setting up the obj file for the current file
  if &modified
    let l:module_file = tempname() . '.rb'
    call writefile(getline(1, expand('$')), l:module_file)
  else
    let l:module_file = expand('%:p')
  endif

  let l:repl = repl#get_filetype_repl('ruby')
  if !executable(l:repl['repl'])
    call repl#echo_error(printf("You don't have repl: '%s'", l:repl['repl']))
    return
  endif
  let l:args                 = printf('%s %s %s', l:repl['repl'], l:repl['opt'], l:module_file)
  let l:vimshell_interactive = ':VimShellInteractive' . printf("--split='%s'", g:repl_split_command)
  execute l:vimshell_interactive l:args
endfunction