uniq (1) --- eliminate successive identical lines 02/22/82 _U_s_a_g_e uniq [-n] _D_e_s_c_r_i_p_t_i_o_n 'Uniq' is used to strip adjacent duplicate lines from its standard input. The resulting text is copied to standard output. 'Uniq' is usually used to eliminate redundant lines from a sorted file. If the "-n" option is specified, 'uniq' counts the number of occurrences of each line. The count is placed right justified in the first five columns of the output, suitable for sorting or further manipulation with 'change', 'find', or 'field'. _E_x_a_m_p_l_e_s words> sort | uniq -n _M_e_s_s_a_g_e_s "Usage: uniq ..." for invalid argument syntax. _B_u_g_s Does not handle lines of length greater than MAXLINE. _S_e_e _A_l_s_o sort (1), speling (1) uniq (1) - 1 - uniq (1)