#!./ksh
echo ${.sh.version}

trap "" SIGCHLD

let n=0;
for d in $(seq 1 10000);
do
    if printf "foo" | grep bar;
    then
	printf "oops %d\n" $((n++));
    fi
done

if [ $n -gt 0 ];
then
    printf "Error occurred %d times.\n" $n
else
    printf "Error did not occur. Try again.\n"
fi