let TotalBytes=0 for Bytes in $(ls -l | grep "^-" | awk '{ print $5 }') do let TotalBytes=$TotalBytes+$Bytes done # The if...fi's give a more specific output in byte, kilobyte, megabyte, # and gigabyte if [ $TotalBytes -lt 1024 ]; then TotalSize=$(echo -e "scale=3 \n$TotalBytes \nquit" | bc) suffix="b" elif [ $TotalBytes -lt 1048576 ]; then TotalSize=$(echo -e "scale=3 \n$TotalBytes/1024 \nquit" | bc) suffix="kb" elif [ $TotalBytes -lt 1073741824 ]; then TotalSize=$(echo -e "scale=3 \n$TotalBytes/1048576 \nquit" | bc) suffix="Mb" else TotalSize=$(echo -e "scale=3 \n$TotalBytes/1073741824 \nquit" | bc) suffix="Gb" fi echo -n "${TotalSize}${suffix}" |
참조 : Total Bytes in the Current Directory