#! /bin/bash

#PBS -S  /bin/bash
#PBS -j  oe
#PBS -q  week
#PBS -N  run
#PBS -l  nodes=1:ppn=4
#PBS -l  mem=64gb
#PBS -l  vmem=64gb
#PBS -v  step=1

#### NB: "qsub -v step=XX launch" overrides value above

#### PREAMBLE
ulimit -s unlimited

#### STEP 1
if [[ ${step} -le 1 ]] ; then
  cd $PBS_O_WORKDIR/gcm
  #
  year=$(more namelist.input | grep start_year | awk '{print $3}' | sed s+','+''+g)
  month=$(more namelist.input | grep start_month | awk '{print $3}' | sed s+','+''+g)
  day=$(more namelist.input | grep start_day | awk '{print $3}' | sed s+','+''+g)
  hour=$(more namelist.input | grep start_hour | awk '{print $3}' | sed s+','+''+g)
  wrf_date=${year}'-'${month}'-'${day}'_00:00:00'
  daygcm=$(more calendar | grep ${wrf_date} | awk '{print $2}')
  echo ${daygcm} | ./launch_gcm
  #
  gcm.e > log_gcm
  #
  cd $PBS_O_WORKDIR/prep
  echo 1 | create_readmeteo.exe
  readmeteo.exe < readmeteo.def
fi

##### STEP 2
if [[ ${step} -le 2 ]] ; then
  cd $PBS_O_WORKDIR/geogrid
  \rm geo_em.*
  geogrid.exe
  #
  cd $PBS_O_WORKDIR/metgrid
  \rm met_em.*
  metgrid.exe
fi

##### STEP 3
if [[ ${step} -le 3 ]] ; then
  cd $PBS_O_WORKDIR/
  \rm wrfi* wrfb*
  real.exe
fi

##### STEP 4
if [[ ${step} -le 4 ]] ; then
  rm -rf $PBS_O_WORKDIR/$PBS_JOBNAME
  mkdir $PBS_O_WORKDIR/$PBS_JOBNAME
  mv rsl.error.0000 $PBS_O_WORKDIR/$PBS_JOBNAME/real_rsl.error.0000
  mv rsl.out.0000 $PBS_O_WORKDIR/$PBS_JOBNAME/real_rsl.out.0000
  cp -rfL  $PBS_O_WORKDIR/callphys*.def   $PBS_O_WORKDIR/$PBS_JOBNAME/
  cp -rfL  $PBS_O_WORKDIR/titus.def       $PBS_O_WORKDIR/$PBS_JOBNAME/
  cp -rfL  $PBS_O_WORKDIR/wrf.exe*        $PBS_O_WORKDIR/$PBS_JOBNAME/
  cp -rfL  $PBS_O_WORKDIR/namelist.input  $PBS_O_WORKDIR/$PBS_JOBNAME/
  cp -rfL  $PBS_O_WORKDIR/namelist.wps    $PBS_O_WORKDIR/$PBS_JOBNAME/
  cp -rfL  $PBS_O_WORKDIR/wrfi*           $PBS_O_WORKDIR/$PBS_JOBNAME/
  cp -rfL  $PBS_O_WORKDIR/wrfb*           $PBS_O_WORKDIR/$PBS_JOBNAME/
  cd $PBS_O_WORKDIR/$PBS_JOBNAME/
  mpirun wrf.exe
fi