!> Some prepared color to choosed. !> https://rosettacode.org/wiki/Terminal_control/Coloured_text#Fortran submodule(forlab_io) forlab_io_color contains module subroutine color(string) character(len=*), intent(in), optional :: string write (*, "(A)", advance="no") optval(string, achar(27)//'[0m') end subroutine color end submodule forlab_io_color