date all=0 index=0 while read LINE; do echo $LINE index=`expr $index + 1` all=`all $index + 1` if [ $index -gt 1000 ] then echo $all date sleep 1 index=0 fi done < input.txt echo "!!!END!!!" date
date all=0 index=0 while read LINE; do echo $LINE index=`expr $index + 1` all=`all $index + 1` if [ $index -gt 1000 ] then echo $all date sleep 1 index=0 fi done < input.txt echo "!!!END!!!" date