# THIS SCRIPT READ A FORECAST FILE (UNIT 11), MODIFIES PDS OCTET(8)
# TO CORRECT THE GRIB GRID ID AND RE-WRITES THE FILE TO UNIT 51.

# STANDARD INPUT IS A 3-DIGIT INTEGER, FOR EXAMPLE 255 (User define grid)

ln -s master.grbf06  fort.11

overgridid << EOF
255
EOF

mv fort.51 master.grbf06.new
rm fort.11