exgfs_atmos_gempak_meta.sh

#! /usr/bin/env bash

source "${HOMEgfs}/ush/preamble.sh"

GEMGRD1="${RUN}_1p00_${PDY}${cyc}f"

export numproc=23

# Find the last hour available
for (( fhr = fhend; fhr >= fhbeg; fhr = fhr - fhinc )) ; do
  fhr3=$(printf "%03d" "${fhr}")
  if [[ -r "${COM_ATMOS_GEMPAK_1p00}/${GEMGRD1}${fhr3}" ]]; then
    break
  fi
done

sleep_interval=20
max_tries=180
first_time=0
do_all=0

#loop through and process needed forecast hours
while (( fhr <= fhend )); do
  #
  # First check to see if this is a rerun.  If so make all Meta files
  if (( fhr > 126 )) && (( first_time == 0 )); then
    do_all=1
  fi
  first_time=1

  if (( fhr == 120 )); then
    fhr=126
  fi

  gempak_file="${COM_ATMOS_GEMPAK_1p00}/${GEMGRD1}${fhr3}"
  if ! wait_for_file "${gempak_file}" "${sleep_interval}" "${max_tries}"; then
    echo "FATAL ERROR: gempak grid file ${gempak_file} not available after maximum wait time."
    exit 7
  fi

  export fhr

  ########################################################
  # Create a script to be poe'd
  #
  #  Note:  The number of scripts to be run MUST match the number
  #  of total_tasks set in the ecf script, or the job will fail.
  #
  if [[ -f poescript ]]; then
    rm poescript
  fi

  fhr3=$(printf "%03d" "${fhr}")

  if (( do_all == 1 )) ; then
    do_all=0
    # shellcheck disable=SC2312
    awk '{print $1}' "${HOMEgfs}/gempak/fix/gfs_meta" | envsubst > "poescript"
  else
    #
    #    Do not try to grep out 12, it will grab the 12 from 126.
    #    This will work as long as we don't need 12 fhr metafiles
    #
    if (( fhr != 12 )) ; then
      # shellcheck disable=SC2312
      grep "${fhr}" "${HOMEgfs}/gempak/fix/gfs_meta" | awk -F" [0-9]" '{print $1}' | envsubst > "poescript"
    fi
  fi

  #  If this is the final fcst hour, alert the
  #  file to all centers.
  #
  if (( fhr >= fhend )) ; then
    export DBN_ALERT_TYPE=GFS_METAFILE_LAST
  fi

  export fend=${fhr}

  cat poescript

  "${HOMEgfs}/ush/run_mpmd.sh" poescript
  export err=$?; err_chk

  if (( fhr == 126 )) ; then
    fhr=$((fhr + 6))
  else
    fhr=$((fhr + fhinc))
  fi
done

exit