#include <octave/oct.h> DEFUN_DLD (stringdemo, args, , "String Demo") { if (args.length () != 1) print_usage (); octave_value_list retval; charMatrix ch = args(0).char_matrix_value (); retval(1) = octave_value (ch, '\''); // Single Quote String octave_idx_type nr = ch.rows (); for (octave_idx_type i = 0; i < nr / 2; i++) { std::string tmp = ch.row_as_string (i); ch.insert (ch.row_as_string (nr-i-1).c_str (), i, 0); ch.insert (tmp.c_str (), nr-i-1, 0); } retval(0) = octave_value (ch, '"'); // Double Quote String return retval; }