磁盘使用率

#!/bin/bash

PATH_=/root/disk.log
DiskTU=0
dis() {
  for i in $(cat $PATH_); do
    DiskU=0
    DiskTmp=0
    if [ ${i:0-1:1} == 'T' ]; then
      DiskTmp=$(echo $i | awk -F "T" '{print $1}')
      DiskU=$(printf "%.f" $(echo "scale=0; $DiskTmp*1024*1024*1024*1024" | bc))
    elif [ ${i:0-1:1} == 'G' ]; then
      DiskTmp=$(echo $i | awk -F "G" '{print $1}')
      DiskU=$(printf "%.f" $(echo "scale=0; $DiskTmp*1024*1024*1024" | bc))
    elif [ ${i:0-1:1} == 'M' ]; then
      DiskTmp=$(echo $i | awk -F "M" '{print $1}')
      DiskU=$(printf "%.f" $(echo "scale=0; $DiskTmp*1024*1024" | bc))
    elif [ ${i:0-1:1} == 'K' ]; then
      DiskTmp=$(echo $i | awk -F "K" '{print $1}')
      DiskU=$(printf "%.f" $(echo "scale=0; $DiskTmp*1024" | bc))
    fi
    DiskTU=$((DiskU + DiskTU))
  done
}
DISK_=$(df -hP | awk '{print $2}')
echo $DISK_ > $PATH_
dis
DISK=$DiskTU
echo "获取磁盘总量：$DISK"

DiskTU=0
DISK_=$(df -hP | awk '{print $3}')
echo $DISK_ > $PATH_
dis
DISI=$DiskTU
echo "磁盘使用总量：$DISI"

DF=$(printf "%.f" $(echo "scale=4; $DISI/$DISK*100" | bc))
echo $DF%

标签：1024,DISK,DiskTU,echo,DiskTmp,print,磁盘,使用率
来源： https://www.cnblogs.com/liuzonglin/p/16366757.html