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comparison doc/interpreter/stmt.txi @ 21633:dcf8922b724b

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Deprecate printf, puts, and scanf. Make fputs a M-file. * libinterp/corefcn/file-io.cc: extracted printf, puts, and scanf to M-files. * scripts/deprecated/printf.m: new function, equivalent to version file-io.cc. * scripts/deprecated/puts.m: new function, equivalent to version file-io.cc. * scripts/deprecated/scanf.m: new function, equivalent to version file-io.cc. * scripts/deprecated/module.mk: added printf, puts, and scanf. * scripts/io/fputs.m: new function, equivalent to version file-io.cc. * scripts/io/module.mk: added fputs. * doc/interpreter/io.txi: adapted documentation to current implementation. * NEWS: announced changes. * doc/interpreter/basics.txi: replaced printf by fprintf. * doc/interpreter/stmt.txi: replaced printf by fprintf. * doc/interpreter/var.txi: replaced printf by fprintf. * doc/refcard/refcard.tex: removed printf and scanf. * examples/code/@FIRfilter/display.m: replaced printf by fprintf. * examples/code/@polynomial/display.m: replaced printf by fprintf. * scripts/@ftp/display.m: replaced printf by fprintf. * scripts/general/inputParser.m: replaced printf by fprintf. * scripts/general/methods.m: replaced printf by fprintf. * scripts/general/profexplore.m: replaced printf by fprintf. * scripts/general/profshow.m: replaced printf by fprintf. * scripts/help/help.m: replaced puts by fputs and printf by fprintf. * scripts/help/lookfor.m: replaced puts by fputs and printf by fprintf. * scripts/help/which.m: replaced printf by fprintf. * scripts/image/imformats.m: replaced printf by fprintf. * scripts/io/beep.m: replaced puts by fputs. * scripts/io/textread.m: replaced printf by fprintf. * scripts/java/javaclasspath.m: replaced printf by fprintf. * scripts/java/javamem.m: replaced printf by fprintf. * scripts/miscellaneous/dir.m: replaced printf by fprintf. * scripts/miscellaneous/dos.m: replaced printf by fprintf. * scripts/miscellaneous/fact.m: replaced printf by fprintf. * scripts/miscellaneous/info.m: replaced printf by fprintf. * scripts/miscellaneous/license.m: replaced printf by fprintf. * scripts/miscellaneous/ls.m: replaced puts by fputs. * scripts/miscellaneous/menu.m: replaced printf by fprintf. * scripts/miscellaneous/mkoctfile.m: replaced printf by fprintf. * scripts/miscellaneous/private/display_info_file.m: * scripts/miscellaneous/unix.m: replaced printf by fprintf. * scripts/miscellaneous/ver.m: replaced printf by fprintf. * scripts/miscellaneous/what.m: replaced printf by fprintf. * scripts/ode/ode23.m: replaced printf by fprintf. * scripts/ode/ode45.m: replaced printf by fprintf. * scripts/optimization/fminbnd.m: replaced printf by fprintf. * scripts/optimization/optimset.m: replaced puts by fputs and printf by fprintf. * scripts/optimization/sqp.m: replaced printf by fprintf. * scripts/pkg/pkg.m: replaced printf by fprintf. * scripts/pkg/private/describe.m: replaced printf by fprintf. * scripts/pkg/private/install.m: replaced printf by fprintf. * scripts/pkg/private/installed_packages.m: replaced printf by fprintf. * scripts/pkg/private/list_forge_packages.m: replaced puts by fputs and printf by fprintf. * scripts/pkg/private/rebuild.m: replaced printf by fprintf. * scripts/plot/util/__gnuplot_drawnow__.m: replaced puts by fputs and printf by fprintf. * scripts/signal/stft.m: replaced printf by fprintf. * scripts/sparse/bicg.m: replaced printf by fprintf. * scripts/sparse/bicgstab.m: replaced printf by fprintf. * scripts/sparse/cgs.m: replaced printf by fprintf. * scripts/sparse/pcg.m: replaced printf by fprintf. * scripts/sparse/pcr.m: replaced printf by fprintf. * scripts/sparse/qmr.m: replaced printf by fprintf. * scripts/statistics/models/logistic_regression.m: replaced printf by fprintf. * scripts/statistics/tests/anova.m: replaced printf by fprintf. * scripts/statistics/tests/bartlett_test.m: replaced printf by fprintf. * scripts/statistics/tests/chisquare_test_homogeneity.m: replaced printf by fprintf. * scripts/statistics/tests/chisquare_test_independence.m: replaced printf by fprintf. * scripts/statistics/tests/cor_test.m: replaced printf by fprintf. * scripts/statistics/tests/f_test_regression.m: replaced printf by fprintf. * scripts/statistics/tests/hotelling_test.m: replaced printf by fprintf. * scripts/statistics/tests/hotelling_test_2.m: replaced printf by fprintf. * scripts/statistics/tests/kolmogorov_smirnov_test.m: replaced printf by fprintf. * scripts/statistics/tests/kolmogorov_smirnov_test_2.m: replaced printf by fprintf. * scripts/statistics/tests/kruskal_wallis_test.m: replaced printf by fprintf. * scripts/statistics/tests/manova.m: replaced printf by fprintf. * scripts/statistics/tests/mcnemar_test.m: replaced printf by fprintf. * scripts/statistics/tests/prop_test_2.m: replaced printf by fprintf. * scripts/statistics/tests/run_test.m: replaced printf by fprintf. * scripts/statistics/tests/sign_test.m: replaced printf by fprintf. * scripts/statistics/tests/t_test.m: replaced printf by fprintf. * scripts/statistics/tests/t_test_2.m: replaced printf by fprintf. * scripts/statistics/tests/t_test_regression.m: replaced printf by fprintf. * scripts/statistics/tests/u_test.m: replaced printf by fprintf. * scripts/statistics/tests/var_test.m: replaced printf by fprintf. * scripts/statistics/tests/welch_test.m: replaced printf by fprintf. * scripts/statistics/tests/wilcoxon_test.m: replaced printf by fprintf. * scripts/statistics/tests/z_test.m: replaced printf by fprintf. * scripts/statistics/tests/z_test_2.m: replaced printf by fprintf. * scripts/strings/strtok.m: replaced printf by fprintf. * scripts/testfun/__run_test_suite__.m: replaced puts by fputs and printf by fprintf. * scripts/testfun/demo.m: replaced printf by fprintf. * scripts/testfun/example.m: replaced printf by fprintf. * scripts/testfun/private/compare_plot_demos.m: replaced printf by fprintf. * scripts/testfun/rundemos.m: replaced printf by fprintf. * scripts/testfun/runtests.m: replaced puts by fputs and printf by fprintf. * scripts/testfun/speed.m: replaced printf by fprintf. * scripts/testfun/test.m: replaced printf by fprintf. * scripts/time/calendar.m: replaced puts by fputs and printf by fprintf. * test/io.tst: replaced printf by fprintf.
author Kai T. Ohlhus <k.ohlhus@gmail.com>
date Wed, 20 Apr 2016 17:53:10 +0200
parents dba88797f69f
children 96518f623c91
comparison
equal deleted inserted replaced
21632:e3c44a120a8c 21633:dcf8922b724b
113 Here is an example: 113 Here is an example:
114 114
115 @example 115 @example
116 @group 116 @group
117 if (rem (x, 2) == 0) 117 if (rem (x, 2) == 0)
118 printf ("x is even\n"); 118 fprintf ("x is even\n");
119 else 119 else
120 printf ("x is odd\n"); 120 fprintf ("x is odd\n");
121 endif 121 endif
122 @end group 122 @end group
123 @end example 123 @end example
124 124
125 In this example, if the expression @code{rem (x, 2) == 0} is true (that 125 In this example, if the expression @code{rem (x, 2) == 0} is true (that
126 is, the value of @code{x} is divisible by 2), then the first 126 is, the value of @code{x} is divisible by 2), then the first
127 @code{printf} statement is evaluated, otherwise the second @code{printf} 127 @code{fprintf} statement is evaluated, otherwise the second @code{fprintf}
128 statement is evaluated. 128 statement is evaluated.
129 129
130 The third and most general form of the @code{if} statement allows 130 The third and most general form of the @code{if} statement allows
131 multiple decisions to be combined in a single statement. It looks like 131 multiple decisions to be combined in a single statement. It looks like
132 this: 132 this:
150 @code{else} clause is present, its body is executed. Only one 150 @code{else} clause is present, its body is executed. Only one
151 @code{else} clause may appear, and it must be the last part of the 151 @code{else} clause may appear, and it must be the last part of the
152 statement. 152 statement.
153 153
154 In the following example, if the first condition is true (that is, the 154 In the following example, if the first condition is true (that is, the
155 value of @code{x} is divisible by 2), then the first @code{printf} 155 value of @code{x} is divisible by 2), then the first @code{fprintf}
156 statement is executed. If it is false, then the second condition is 156 statement is executed. If it is false, then the second condition is
157 tested, and if it is true (that is, the value of @code{x} is divisible 157 tested, and if it is true (that is, the value of @code{x} is divisible
158 by 3), then the second @code{printf} statement is executed. Otherwise, 158 by 3), then the second @code{fprintf} statement is executed. Otherwise,
159 the third @code{printf} statement is performed. 159 the third @code{fprintf} statement is performed.
160 160
161 @example 161 @example
162 @group 162 @group
163 if (rem (x, 2) == 0) 163 if (rem (x, 2) == 0)
164 printf ("x is even\n"); 164 fprintf ("x is even\n");
165 elseif (rem (x, 3) == 0) 165 elseif (rem (x, 3) == 0)
166 printf ("x is odd and divisible by 3\n"); 166 fprintf ("x is odd and divisible by 3\n");
167 else 167 else
168 printf ("x is odd\n"); 168 fprintf ("x is odd\n");
169 endif 169 endif
170 @end group 170 @end group
171 @end example 171 @end example
172 172
173 Note that the @code{elseif} keyword must not be spelled @code{else if}, 173 Note that the @code{elseif} keyword must not be spelled @code{else if},
294 @example 294 @example
295 @group 295 @group
296 A = 7; 296 A = 7;
297 switch (A) 297 switch (A)
298 case @{ 6, 7 @} 298 case @{ 6, 7 @}
299 printf ("variable is either 6 or 7\n"); 299 fprintf ("variable is either 6 or 7\n");
300 otherwise 300 otherwise
301 printf ("variable is neither 6 nor 7\n"); 301 fprintf ("variable is neither 6 nor 7\n");
302 endswitch 302 endswitch
303 @end group 303 @end group
304 @end example 304 @end example
305 305
306 As with all other specific @code{end} keywords, @code{endswitch} may be 306 As with all other specific @code{end} keywords, @code{endswitch} may be
682 break; 682 break;
683 endif 683 endif
684 div++; 684 div++;
685 endwhile 685 endwhile
686 if (rem (num, div) == 0) 686 if (rem (num, div) == 0)
687 printf ("Smallest divisor of %d is %d\n", num, div) 687 fprintf ("Smallest divisor of %d is %d\n", num, div)
688 else 688 else
689 printf ("%d is prime\n", num); 689 fprintf ("%d is prime\n", num);
690 endif 690 endif
691 @end group 691 @end group
692 @end example 692 @end example
693 693
694 When the remainder is zero in the first @code{while} statement, Octave 694 When the remainder is zero in the first @code{while} statement, Octave
705 @group 705 @group
706 num = 103; 706 num = 103;
707 div = 2; 707 div = 2;
708 while (1) 708 while (1)
709 if (rem (num, div) == 0) 709 if (rem (num, div) == 0)
710 printf ("Smallest divisor of %d is %d\n", num, div); 710 fprintf ("Smallest divisor of %d is %d\n", num, div);
711 break; 711 break;
712 endif 712 endif
713 div++; 713 div++;
714 if (div*div > num) 714 if (div*div > num)
715 printf ("%d is prime\n", num); 715 fprintf ("%d is prime\n", num);
716 break; 716 break;
717 endif 717 endif
718 endwhile 718 endwhile
719 @end group 719 @end group
720 @end example 720 @end example
744 744
745 for x = vec 745 for x = vec
746 if (rem (x, 2) != 0) 746 if (rem (x, 2) != 0)
747 continue; 747 continue;
748 endif 748 endif
749 printf ("%d\n", x); 749 fprintf ("%d\n", x);
750 endfor 750 endfor
751 @end group 751 @end group
752 @end example 752 @end example
753 753
754 If one of the elements of @var{vec} is an odd number, this example skips 754 If one of the elements of @var{vec} is an odd number, this example skips
761 761
762 @example 762 @example
763 @group 763 @group
764 for x = vec 764 for x = vec
765 if (rem (x, 2) == 0) 765 if (rem (x, 2) == 0)
766 printf ("%d\n", x); 766 fprintf ("%d\n", x);
767 endif 767 endif
768 endfor 768 endfor
769 @end group 769 @end group
770 @end example 770 @end example
771 771