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1 ## Copyright (C) 1994-2011 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 3 of the License, or (at |
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8 ## your option) 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, see |
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17 ## <http://www.gnu.org/licenses/>. |
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18 |
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19 ## -*- texinfo -*- |
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20 ## @deftypefn {Function File} {} dump_prefs (@var{file}) |
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21 ## Have Octave dump all the current user preference variables to |
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22 ## @var{file} in a format that can be parsed by Octave later. If |
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23 ## @var{file} is omitted, the listing is printed to stdout. |
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24 ## @end deftypefn |
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25 |
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26 ## Author: jwe |
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27 |
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28 function dump_prefs (file) |
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29 |
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30 if (nargin == 0) |
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31 file = stdout; |
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32 endif |
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33 |
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34 ## FIXME -- it would be nice to be able to get the list of |
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35 ## built-in variables directly from Octave so that we wouldn't have to |
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36 ## remember to update it each time the list of preference variables |
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37 ## changes |
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38 |
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39 ## Note that these are no longer variables. |
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40 |
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41 sym_list = ["EDITOR"; |
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42 "EXEC_PATH"; |
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43 "IMAGE_PATH"; |
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44 "PAGER"; |
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45 "PS1"; |
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46 "PS2"; |
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47 "PS4"; |
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48 "beep_on_error"; |
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49 "completion_append_char"; |
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50 "crash_dumps_octave_core"; |
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51 "echo_executing_commands"; |
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52 "fixed_point_format"; |
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53 "gnuplot_binary"; |
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54 "gnuplot_command_end"; |
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55 "gnuplot_command_plot"; |
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56 "gnuplot_command_replot"; |
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57 "gnuplot_command_splot"; |
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58 "gnuplot_command_title"; |
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59 "gnuplot_command_using"; |
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60 "gnuplot_command_with"; |
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61 "history_file"; |
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62 "history_size"; |
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63 "ignore_function_time_stamp"; |
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64 "info_file"; |
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65 "info_program"; |
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66 "makeinfo_program"; |
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67 "max_recursion_depth"; |
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68 "output_max_field_width"; |
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69 "output_precision"; |
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70 "page_output_immediately"; |
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71 "page_screen_output"; |
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72 "print_answer_id_name"; |
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73 "print_empty_dimensions"; |
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74 "save_precision"; |
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75 "saving_history"; |
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76 "sighup_dumps_octave_core"; |
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77 "sigterm_dumps_octave_core"; |
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78 "silent_functions"; |
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79 "split_long_rows"; |
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80 "string_fill_char"; |
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81 "struct_levels_to_print"; |
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82 "suppress_verbose_help_message"]; |
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83 |
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84 for i = 1:rows(sym_list) |
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85 sym = deblank (sym_list(i,:)); |
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86 try |
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87 val = feval (sym); |
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88 if (isnumeric (val)) |
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89 val = sprintf ("%g", val); |
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90 endif |
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91 fprintf (file, " %s = %s\n", sym, val); |
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92 catch |
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93 fprintf (file, "# %s = <no value or error in displaying it>\n", sym); |
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94 end_try_catch |
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95 endfor |
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96 |
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97 endfunction |
