inputfile1=data/in/inputfile1.txt
inputfile2=data/in/inputfile2.txt

if [  ! -f ${inputfile1} -a ! -f ${inputfile2} ]
then
   echo " "
   echo "ERROR: Both files not found."
   echo " "
   exit 1
fi

if [  ! -f ${inputfile1} -o ! -f ${inputfile2} ]
then
   echo " "
   echo "ERROR: File(s) not found."
   echo " "
   exit 1
fi

echo " "
echo "RUN SUCCESSFUL: Both Files found. "
echo " "

exit 0