/usr/share/metview/etc/SymbRules is in metview-data 4.8.0-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | ! This is the magics check file
!
! Each request is checked again each rule
! The rules have the following syntax:
!
!   RULE   ---> if TEST then ACTION 
!
!
!   TEST   ---> PARAMETER  =  VALUE
!          ---> PARAMETER  >  VALUE
!          ---> PARAMETER  <  VALUE
!          ---> PARAMETER  >= VALUE
!          ---> PARAMETER  <= VALUE
!          ---> PARAMETER  <> VALUE
!          ---> PARAMETER  in LIST_OF_VALUES
!          ---> not TEST
!          ---> TEST and TEST
!          ---> TEST or TEST
!          ---> ( TEST )
!
!
!   ACTION ---> error    MESSAGE
!          ---> warning	 MESSAGE
!		   ---> set      PARAMETER = VALUE
!		   ---> unset    PARAMETER 
!
! B.Raoult
! Wed Feb 13 15:07:49 GMT 1991
!
! J.Daabeck
! Thu Nov 3
!
%if SYMBOL_TYPE = WIND %then
        %unset SYMBOL_TABLE_MODE
        %unset LEGEND
        %unset SYMBOL_POSITION_MODE
        %unset SYMBOL_BORDER_CHECK
        %unset SYMBOL_QUALITY
        %unset SYMBOL_BLANKING
        %unset SYMBOL_BLANKING_GAP
        %unset SYMBOL_FORMAT
        %unset SYMBOL_HEIGHT
        %unset SYMBOL_MIN_TABLE
        %unset SYMBOL_MAX_TABLE
        %unset SYMBOL_MARKER_TABLE
        %unset SYMBOL_TEXT_TABLE
        %unset SYMBOL_COLOUR_TABLE
        %unset SYMBOL_HEIGHT_TABLE
        %unset SYMBOL_INPUT_TEXT_LIST
        %unset SYMBOL_INPUT_MARKER_LIST
%if SYMBOL_TYPE = NUMBER %and SYMBOL_TABLE_MODE = OFF %then
        %unset SYMBOL_WIND_ORIGIN_MARKER
        %unset SYMBOL_MIN_TABLE
        %unset SYMBOL_MAX_TABLE
        %unset SYMBOL_MARKER_TABLE
        %unset SYMBOL_TEXT_TABLE
        %unset SYMBOL_COLOUR_TABLE
        %unset SYMBOL_HEIGHT_TABLE
        %unset SYMBOL_INPUT_TEXT_LIST
        %unset SYMBOL_INPUT_MARKER_LIST
%if SYMBOL_TYPE = NUMBER %and SYMBOL_TABLE_MODE = ON %then
        %unset SYMBOL_COLOUR
        %unset SYMBOL_FORMAT
        %unset SYMBOL_HEIGHT
        %unset SYMBOL_WIND_ORIGIN_MARKER
        %unset SYMBOL_MARKER_TABLE
        %unset SYMBOL_TEXT_TABLE
        %unset SYMBOL_INPUT_TEXT_LIST
        %unset SYMBOL_INPUT_MARKER_LIST
%if SYMBOL_TYPE = MARKER %and SYMBOL_TABLE_MODE = OFF %then
        %unset SYMBOL_WIND_ORIGIN_MARKER
        %unset SYMBOL_FORMAT
        %unset SYMBOL_INPUT_TEXT_LIST
        %unset SYMBOL_MIN_TABLE
        %unset SYMBOL_MAX_TABLE
        %unset SYMBOL_MARKER_TABLE
        %unset SYMBOL_TEXT_TABLE
        %unset SYMBOL_COLOUR_TABLE
        %unset SYMBOL_HEIGHT_TABLE
%if SYMBOL_TYPE = MARKER %and SYMBOL_TABLE_MODE = ON %then
        %unset SYMBOL_COLOUR
        %unset SYMBOL_FORMAT
        %unset SYMBOL_HEIGHT
        %unset SYMBOL_WIND_ORIGIN_MARKER
        %unset SYMBOL_INPUT_TEXT_LIST
        %unset SYMBOL_TEXT_TABLE
        %unset SYMBOL_INPUT_MARKER_LIST
%if SYMBOL_TYPE = TEXT %and SYMBOL_TABLE_MODE = OFF %then
        %unset SYMBOL_WIND_ORIGIN_MARKER
        %unset SYMBOL_FORMAT
        %unset SYMBOL_MIN_TABLE
        %unset SYMBOL_MAX_TABLE
        %unset SYMBOL_MARKER_TABLE
        %unset SYMBOL_TEXT_TABLE
        %unset SYMBOL_COLOUR_TABLE
        %unset SYMBOL_HEIGHT_TABLE
        %unset SYMBOL_INPUT_MARKER_LIST
%if SYMBOL_TYPE = TEXT %and SYMBOL_TABLE_MODE = ON %then
        %unset SYMBOL_COLOUR
        %unset SYMBOL_FORMAT
        %unset SYMBOL_HEIGHT
        %unset SYMBOL_WIND_ORIGIN_MARKER
        %unset SYMBOL_MARKER_TABLE
        %unset SYMBOL_INPUT_TEXT_LIST
        %unset SYMBOL_INPUT_MARKER_LIST
%if SYMBOL_BLANKING = OFF %then
        %unset SYMBOL_BLANKING_GAP
%if SYMBOL_TABLE_MODE = OFF %then
        %unset LEGEND
        %unset LEGEND_ENTRY
%if LEGEND = OFF %then
        %unset LEGEND_ENTRY
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