_W_r_i_t_e _a_n _I_n_t_e_r_n_a_l _O_b_j_e_c_t _t_o _a _F_i_l_e
	
	     dput(x, file="")
	
	_V_a_l_u_e:
	
	     dput opens file and deparses the object x into that
	     file.  If x is a function the associated environment is
	     stripped.  Hence scoping information can be lost.
	
	_S_e_e _A_l_s_o:
	
	     deparse, dump, dget, write.
	
	_E_x_a_m_p_l_e_s:
	
	     # write an ASCII version of mean to the file "foo"
	     dput(mean,"foo")