/usr/share/metview/etc/CoastRules 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 | ! 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 MAP_COASTLINE = OFF %then
        %unset MAP_COASTLINE_RESOLUTION
        %unset MAP_COASTLINE_STYLE
        %unset MAP_COASTLINE_COLOUR
        %unset MAP_COASTLINE_THICKNESS
        %unset MAP_COASTLINE_LAND_SHADE
        %unset MAP_COASTLINE_SEA_SHADE
        %unset MAP_COASTLINE_LAND_SHADE_COLOUR
        %unset MAP_COASTLINE_SEA_SHADE_COLOUR
%if MAP_COASTLINE_LAND_SHADE = OFF %then
        %unset MAP_COASTLINE_LAND_SHADE_COLOUR
%if MAP_COASTLINE_SEA_SHADE = OFF %then
        %unset MAP_COASTLINE_SEA_SHADE_COLOUR
%if MAP_GRID = OFF %then
        %unset MAP_GRID_LINE_STYLE
        %unset MAP_GRID_THICKNESS
        %unset MAP_GRID_COLOUR
        %unset MAP_GRID_LATITUDE_REFERENCE
        %unset MAP_GRID_LONGITUDE_REFERENCE
        %unset MAP_GRID_LATITUDE_INCREMENT
        %unset MAP_GRID_LONGITUDE_INCREMENT
 
%if MAP_LABEL = OFF %then
        %unset MAP_LABEL_LATITUDE_FREQUENCY
        %unset MAP_LABEL_LONGITUDE_FREQUENCY
        %unset MAP_LABEL_HEIGHT
        %unset MAP_LABEL_QUALITY
        %unset MAP_LABEL_COLOUR
%if MAP_GRID = OFF %and MAP_LABEL = OFF %then
        %unset MAP_GRID_COLOUR
        %unset MAP_LABEL_COLOUR
%if SUBPAGE_FRAME = OFF %then
        %unset SUBPAGE_FRAME_COLOUR
        %unset SUBPAGE_FRAME_LINE_STYLE
        %unset SUBPAGE_FRAME_THICKNESS
 |