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PARENS(1)             Icon Program Library              PARENS(1)



NNNNAAAAMMMMEEEE
     parens - produce strings of balanced parentheses

SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
     ppppaaaarrrreeeennnnssss [-bbbb _n] [-nnnn _n] [-llll _s] [-rrrr _s] [-vvvv]

DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
     _P_a_r_e_n_s produces parenthesis-balanced strings in which the
     parentheses are randomly distributed.

     The following options may appear in any order:

     -bbbb _n   Bound the length of the strings to _n left and right
            parentheses each. The default is 10.

     -nnnn _n   Produce _n strings. The default is 10.

     -llll _s   Use _s for the left parenthesis. The default is (((( .

     -rrrr _s   Use _s for the right parenthesis. The default is )))) .

     -vvvv     Randomly vary the length of the strings between 0 and
            the bound.  In the absence of this option, all
            strings are the exactly as long as the specified
            bound.

SSSSEEEEEEEE AAAALLLLSSSSOOOO
     Arnold, D. B. and M. R. Sleep. ``Uniform Random Generation
     of Balanced Parenthesis Strings'', _A_C_M _T_r_a_n_s_a_c_t_i_o_n_s _o_n _P_r_o_-
     _g_r_a_m_m_i_n_g _L_a_n_g_u_a_g_e_s _a_n_d _S_y_s_t_e_m_s, Vol. 2. No. 1 (1980), pp.
     122-128.

AAAAUUUUTTTTHHHHOOOORRRR
     Ralph E. Griswold





















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