function [retval] = print_fail (n)
  sombrero ();
  retval = 0
  for ii = 1:n
    try
      print -dpdflatexstandalone foo.tex
    catch
      retval++;
    end_try_catch
    if (exist ("foo.tex", "file"))
       delete ("foo.tex")
       delete ("foo-inc.pdf")
    endif
  endfor
  retval /= n
endfunction