Shell Programming and Scripting

for file in *.txt
do
echo "file names" $file
while read x
        do
        list[$k]=`echo $x |cut -d"=" -f2`
        echo "${list[$k]}"
        k=`expr $k + 1`
done <$file

        echo "Sending Mail"
        echo ${list[0]}
        echo ${list[1]}
        echo ${list[2]}
        echo "${list[2]}" |mailx  -s ${list[1]} ${list[0]}
if [ $? -ne 0 ] 
     echo "testing"
    fi

done