#!/bin/sh

set -x

msg="JOB $job HAS BEGUN"
postmsg "$jlogfile" "$msg"

cd $DATA

GEMGRD1=${RUN}_${PDY}${cyc}f
#find out what fcst hr to start processing
fhr=$fhend

while [ $fhr -ge $fhbeg ] ; do
   typeset -Z3 fhr
   ls -l $COMIN/$GEMGRD1${fhr}
   err1=$?
   if [ $err1 -eq 0 -o $fhr -eq $fhbeg ] ; then
      break
   fi
   fhr=`expr $fhr - $fhinc`
done

maxtries=180
first_time=0
do_all=0

#loop through and process needed forecast hours
while [ $fhr -le $fhend ]
do
   # 
   # First check to see if this is a rerun.  If so make all Meta files
   if [ $fhr -gt 126 -a $first_time -eq 0 ] ; then
     do_all=1
   fi
   first_time=1

   if [ $fhr -eq 120 ] ; then
      fhr=126
   fi
   icnt=1

   while [ $icnt -lt 1000 ]
   do
      ls -l $COMIN/$GEMGRD1${fhr}
      err1=$?
      if [ $err1 -eq 0 ] ; then
         break
      else
         let "icnt= icnt + 1"
         sleep 20
      fi
      if [ $icnt -ge $maxtries ]
      then
         msg="ABORTING after 1 hour of waiting for gempak grid F$fhr to end."
         err_exit $msg
      fi
   done

   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 sms script, or the job will fail.
   #
   rm $DATA/poescript
   if [ $fhr -lt 100 ] ; then
      typeset -Z2 fhr
   fi

   if [ $do_all -eq 1 ] ; then
     do_all=0
     awk '{print $1}' $FIXgempak/gfs_meta > $DATA/tmpscript
   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 -eq 12 ] ; then
     else
       grep $fhr $FIXgempak/gfs_meta |awk '{print $1}' > $DATA/tmpscript
     fi
   fi

   for script in `cat $DATA/tmpscript`
   do
     eval "echo $script" >> $DATA/poescript
   done

   num=`cat $DATA/poescript |wc -l` 

   while [ $num -lt $numproc ] ; do
      echo "hostname" >>poescript
      num=`expr $num + 1`
   done

   chmod 775 $DATA/poescript
   export MP_PGMMODEL=mpmd
   export MP_CMDFILE=$DATA/poescript
#
#  If this is the final fcst hour, alert the
#  file to all centers.
# 
   if [ $fhr -ge $fhend ] ; then
      export DBN_ALERT_TYPE=GFS_METAFILE_LAST
   fi
   #
   # Execute the script.

   export fend=$fhr
   poe
###DLM   export err=$?; err_chk


      typeset -Z3 fhr
      if [ $fhr -eq 126 ] ; then
        let fhr=fhr+6
      else
	let fhr=fhr+fhinc
      fi
done

#####################################################################
# GOOD RUN
set +x
echo "**************JOB GFS_META COMPLETED NORMALLY on the IBM-SP"
echo "**************JOB GFS_META COMPLETED NORMALLY on the IBM-SP"
echo "**************JOB GFS_META COMPLETED NORMALLY on the IBM-SP"
set -x
#####################################################################

echo EXITING $0
exit
#