#!/bin/bash

function get_grid()
{
  GRID=$1
  if [ -f $GRID ];
  then
      echo "Grid file $GRID is already there."
  else
      FILE=$2
      rm -f $FILE
#      wget "http://www2.mmm.ucar.edu/projects/mpas/atmosphere_meshes/$FILE"
      scp ${user}@forge.ipsl.fr:/home/dubos/grids/$FILE . && tar xzf $FILE $GRID
  fi
}

echo "Usage : get_MPAS_grids.sh username SIZE1 SIZE2 ..."
echo "where username is your username on forge.ipsl.fr ;"
echo "optional arguments SIZEx are among : x1.163842 x1.655362 x1.2621442 x1.5898242 x4.163842"
echo "By default, download small meshes for sizes 2562 10242 40962"

user=$1 ; shift
SIZES="x1.2562 x1.10242 x1.40962 x4.163842 $*"

cd grids

for SIZE in $SIZES ; do 
    get_grid "$SIZE.grid.nc" "$SIZE.tar.gz" 
done