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- SCAN(3I) Last changed: 1-6-98
-
-
- NNAAMMEE
- SSCCAANN - Scans a string for any one of the characters in a set of
- characters
-
- SSYYNNOOPPSSIISS
- SSCCAANN (([SSTTRRIINNGG==]_s_t_r_i_n_g,, [SSEETT==]_s_e_t [,,[BBAACCKK==]_b_a_c_k]))
-
- IIMMPPLLEEMMEENNTTAATTIIOONN
- UNICOS, UNICOS/mk, and IRIX systems
-
- SSTTAANNDDAARRDDSS
- Fortran 90
-
- DDEESSCCRRIIPPTTIIOONN
- The SSCCAANN intrinsic function scans a string for any one of the
- characters in a set of characters. It accepts the following
- arguments:
-
- _s_t_r_i_n_g Must be of type character.
-
- _s_e_t Must be of type character.
-
- _b_a_c_k Must be of type logical. If _b_a_c_k is omitted, a value of
- false is assumed.
-
- SSCCAANN is an elemental function. The name of this intrinsic cannot be
- passed as an argument.
-
- RREETTUURRNN VVAALLUUEESS
- SSCCAANN returns the character position of the first character in _s_t_r_i_n_g
- that matches any characters in _s_e_t. The result is a default integer.
-
- If _b_a_c_k is absent or present with value false and if _s_t_r_i_n_g contains
- at least one character that is in _s_e_t, the value of the result is the
- position of the leftmost character of _s_t_r_i_n_g that is in _s_e_t.
-
- If _b_a_c_k is present with the value true, and if _s_t_r_i_n_g contains at
- least one character that is in _s_e_t, the value of the result is the
- position of the rightmost character of _s_t_r_i_n_g that is in _s_e_t.
-
- SSCCAANN returns zero if no character in _s_t_r_i_n_g is in _s_e_t, or if the
- length of _s_t_r_i_n_g is zero.
-
- EEXXAAMMPPLLEESS
- Example 1: The statement SSCCAANN((''FFOORRTTRRAANN'',, ''TTRR'')) returns the value 3.
-
- Example 2: The statement SSCCAANN((''FFOORRTTRRAANN'',, ''TTRR'',, BBAACCKK==..TTRRUUEE..)) returns
- the value 5.
-
- Example 3: The statement SSCCAANN((''FFOORRTTRRAANN'',, ''BBCCDD'')) returns the value 0.
-
- SSEEEE AALLSSOO
- _I_n_t_r_i_n_s_i_c _P_r_o_c_e_d_u_r_e_s _R_e_f_e_r_e_n_c_e _M_a_n_u_a_l, publication SR-2138, for the
- printed version of this man page.
-
-