set -x

DATE=$1

echo $DATE > datem00

CYC=00

COM=/com/nam/prod

DATEM03=`/nwprod/util/exec/ndate +3 $DATE`
echo $DATEM03 > datem03
DATEM06=`/nwprod/util/exec/ndate +6 $DATE`
echo $DATEM06 > datem06
DATEM09=`/nwprod/util/exec/ndate +9 $DATE`
echo $DATEM09 > datem09
DATEM12=`/nwprod/util/exec/ndate +12 $DATE`
echo $DATEM12 > datem12

PDY00=`cut -c 1-8 datem00`
HH00=`cut -c 9-10 datem00`
PDY03=`cut -c 1-8 datem03`
HH03=`cut -c 9-10 datem03`
PDY06=`cut -c 1-8 datem06`
HH06=`cut -c 9-10 datem06`
PDY09=`cut -c 1-8 datem09`
HH09=`cut -c 9-10 datem09`
PDY12=`cut -c 1-8 datem12`
HH12=`cut -c 9-10 datem12`

case $HH00 in
 00) ndas1=$COM/ndas.$PDY12/ndas.t${HH12}z.awldas00.tm12
     ndas2=$COM/ndas.$PDY06/ndas.t${HH06}z.awldas00.tm06
     ndas3=$COM/nam.$PDY00/nam.t${HH00}z.awldas00.tm00;;
 03) ndas1=$COM/ndas.$PDY09/ndas.t${HH09}z.awldas00.tm09
     ndas2=$COM/ndas.$PDY03/ndas.t${HH03}z.awldas00.tm03;;
 06) ndas1=$COM/ndas.$PDY12/ndas.t${HH12}z.awldas00.tm12
     ndas2=$COM/ndas.$PDY06/ndas.t${HH06}z.awldas00.tm06
     ndas3=$COM/nam.$PDY00/nam.t${HH00}z.awldas00.tm00;;
 09) ndas1=$COM/ndas.$PDY09/ndas.t${HH09}z.awldas00.tm09
     ndas2=$COM/ndas.$PDY03/ndas.t${HH03}z.awldas00.tm03;;
 12) ndas1=$COM/ndas.$PDY12/ndas.t${HH12}z.awldas00.tm12
     ndas2=$COM/ndas.$PDY06/ndas.t${HH06}z.awldas00.tm06
     ndas3=$COM/nam.$PDY00/nam.t${HH00}z.awldas00.tm00;;
 15) ndas1=$COM/ndas.$PDY09/ndas.t${HH09}z.awldas00.tm09
     ndas2=$COM/ndas.$PDY03/ndas.t${HH03}z.awldas00.tm03;;
 18) ndas1=$COM/ndas.$PDY12/ndas.t${HH12}z.awldas00.tm12
     ndas2=$COM/ndas.$PDY06/ndas.t${HH06}z.awldas00.tm06
     ndas3=$COM/nam.$PDY00/nam.t${HH00}z.awldas00.tm00;;
 21) ndas1=$COM/ndas.$PDY09/ndas.t${HH09}z.awldas00.tm09
     ndas2=$COM/ndas.$PDY03/ndas.t${HH03}z.awldas00.tm03;;
esac

if [ -s $ndas1 ]
then
  cp $ndas1 awldas00.${DATE}
elif [ -s $ndas2 ]
  then
    cp $ndas2 awldas00.${DATE}
  else
  if [ -s $ndas3 ]
  then
    cp $ndas3 awldas00.${DATE}
  fi
fi

exit