set -eua

COMROT=$(dirname $PRPI)            
COMPRP=$DATA/ACprofwork; mkdir -p $COMPRP; cd $COMPRP

#  locate the base files 

BASE=$(basename $PRPI); [ $(echo $BASE|cut -c1-6) = prepqc ] && base=prepqc || base=prepbufr
PRPA=$(echo $PRPI|sed -e "s/$base/prepbufr.acft_profiles/")
[ -s $PRPI -a -s $PRPA ] || { echo $0 missing $PRPI or $PRPA; exit 999; }

#  remove aircft and aircar data from prepqc and replace with rewritten profile data

rm -f $BASE*

ln -sf $PRPI          fort.20
ln -sf $BASE.a        fort.50
ln -sf /dev/null      fort.51
echo AIRCFT|$EXECcfs/rembfr 

ln -sf $BASE.a        fort.20
ln -sf $BASE.b        fort.50
ln -sf /dev/null      fort.51
echo AIRCAR|$EXECcfs/rembfr 

#  split the aircraft profiles back into single levels

ln -sf $PRPA   fort.20
ln -sf $BASE.c fort.50
$EXECcfs/splitac

cat $BASE.b $BASE.c > $BASE

echo $PWD/$BASE