ndu

linux脚本编程的例子

for dir in ${*:-.}; do
  if [ -e $dir ]; then
    result=$(du -s $dir | cut -f 1)
    let total=$result*1024

    echo -n "Total for $dir = $total bytes"

    if [ $total -ge 1048576 ]; then
      echo " ($((total/1048576)) Mb)"
    elif [ $total -ge 1024 ]; then
      echo " ($((total/1024)) Kb)"
    fi
  fi
done