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1 ## Copyright (C) 1996, 1997 John W. Eaton |
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2 ## |
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3 ## This file is part of Octave. |
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4 ## |
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5 ## Octave is free software; you can redistribute it and/or modify it |
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6 ## under the terms of the GNU General Public License as published by |
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7 ## the Free Software Foundation; either version 2, or (at your option) |
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8 ## any later version. |
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9 ## |
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10 ## Octave is distributed in the hope that it will be useful, but |
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 ## General Public License for more details. |
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14 ## |
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15 ## You should have received a copy of the GNU General Public License |
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16 ## along with Octave; see the file COPYING. If not, write to the Free |
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17 ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
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18 ## 02111-1307, USA. |
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19 |
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20 ## -*- texinfo -*- |
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21 ## @deftypefn {Function File} {} dump_prefs (@var{file}) |
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22 ## Have Octave dump all the current user preference variables to |
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23 ## @var{file} in a format that can be parsed by Octave later. If |
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24 ## @var{file} is omitted, the listing is printed to stdout. |
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25 ## @end deftypefn |
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26 |
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27 ## Author: jwe |
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28 |
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29 function dump_prefs (file) |
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30 |
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31 if (nargin == 0) |
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32 file = stdout; |
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33 endif |
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34 |
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35 ## XXX FIXME XXX -- it would be nice to be able to get the list of |
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36 ## built-in variables directly from Octave so that we wouldn't have to |
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37 ## remember to update it each time the list of preference variables |
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38 ## changes |
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39 |
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40 var_list = ["EDITOR"; |
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41 "EXEC_PATH"; |
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42 "IMAGEPATH"; |
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43 "INFO_FILE"; |
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44 "INFO_PROGRAM"; |
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45 "LOADPATH"; |
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46 "PAGER"; |
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47 "PS1"; |
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48 "PS2"; |
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49 "PS4"; |
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50 "automatic_replot"; |
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51 "beep_on_error"; |
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52 "completion_append_char"; |
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53 "default_eval_print_flag"; |
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54 "default_global_variable_value"; |
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55 "default_return_value"; |
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56 "default_save_format"; |
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57 "define_all_return_values"; |
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58 "do_fortran_indexing"; |
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59 "echo_executing_commands"; |
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60 "empty_list_elements_ok"; |
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61 "fixed_point_format"; |
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62 "gnuplot_binary"; |
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63 "gnuplot_command_end"; |
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64 "gnuplot_command_plot"; |
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65 "gnuplot_command_replot"; |
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66 "gnuplot_command_splot"; |
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67 "gnuplot_command_title"; |
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68 "gnuplot_command_using"; |
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69 "gnuplot_command_with"; |
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70 "gnuplot_has_frames"; |
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71 "gnuplot_has_multiplot"; |
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72 "history_file"; |
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73 "history_size"; |
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74 "ignore_function_time_stamp"; |
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75 "implicit_num_to_str_ok"; |
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76 "implicit_str_to_num_ok"; |
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77 "initialize_global_variables"; |
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78 "max_recursion_depth"; |
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79 "ok_to_lose_imaginary_part"; |
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80 "output_max_field_width"; |
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81 "output_precision"; |
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82 "page_output_immediately"; |
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83 "page_screen_output"; |
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84 "prefer_column_vectors"; |
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85 "print_answer_id_name"; |
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86 "print_empty_dimensions"; |
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87 "print_rhs_assign_val"; |
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88 "propagate_empty_matrices"; |
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89 "resize_on_range_error"; |
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90 "return_last_computed_value"; |
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91 "save_precision"; |
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92 "saving_history"; |
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93 "silent_functions"; |
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94 "split_long_rows"; |
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95 "string_fill_char"; |
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96 "struct_levels_to_print"; |
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97 "suppress_verbose_help_message"; |
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98 "treat_neg_dim_as_zero"; |
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99 "warn_assign_as_truth_value"; |
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100 "warn_divide_by_zero"; |
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101 "warn_function_name_clash"; |
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102 "warn_future_time_stamp"; |
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103 "warn_missing_semicolon"; |
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104 "warn_variable_switch_label"; |
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105 "whitespace_in_literal_matrix"]; |
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106 |
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107 for i = 1:rows(var_list) |
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108 var = deblank (var_list(i,:)); |
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109 try |
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110 fprintf (file, " %s = %s\n", var, type ("-q", var)); |
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111 catch |
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112 fprintf (file, "# %s = <no value or error in displaying it>\n", var); |
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113 end_try_catch |
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114 endfor |
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115 |
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116 endfunction |
