#!/bin/bash

cd /opt/db/ngnas*                    #so pathname is not hardcoded
DIR=`basename /opt/db/ngnas_*`       

THE_LIST=`ls | grep -E "*.MYD" | sed -e 's/[a-zA-Z_.]//g' | sort -u`

for i in ${THE_LIST}
do
#   count=`find . -name \*_${i}.MYD -size +1k -exec ls -al {} \; | wc -l`
   count=`find . -name \*_${i}.MYD -size +0c -ctime +1 | wc -l`

   if [ $count -eq 3 ]; 
   then
         echo "i: ${i} count:$count"                             # debug info of count & _numb.MYD
         find . -name \*_${i}.MYD -size +0c -ctime +1 -exec ls -al {} \;   # files to truncate
#         for j in `find . -name \*_${i}.MYD -size +0c -ctime +1 -exec basename {} \; | sed -e 's/.MYD//g' ` 
#         do
#             /usr/local/mysql -udba -pdba -e "truncate $j" $DIR
#             echo "xxx_$j  yyy"
#         done 
   fi
done


