运维部落

#!/bin/bash
 
PARAM_LIST=$*
PARAM_NUM=$#
TOTAL_SIZE=0
for((i = 0; i < PARAM_NUM - 1; i++))
do
        [ ! -r $1 ] && echo "Cannot read $1." && exit 1
        SIZE=`du -s $1 | awk '{print $1}'`
        ((TOTAL_SIZE = TOTAL_SIZE + SIZE))
        shift
done
TARGET=$1
START_TIME=`date +%s.%N`
cp -a $PARAM_LIST &
echo -ne "Total size: $TOTAL_SIZE KB - %"
while true
do
        LEN_PERCENT=${#PERCENT}
        for((i = 0; i <= LEN_PERCENT; i++))
        do
                echo -ne "\b"
        done
        COPIED=`du -s $TARGET | awk '{print $1}'`
        ((PERCENT = COPIED * 100 / TOTAL_SIZE))
        echo -ne "$PERCENT%"
        ((PERCENT == 100)) && END_TIME=`date +%s.%N` && break
done
MB_SECOND=`echo $TOTAL_SIZE/1024/\($END_TIME-$START_TIME\)|bc`
echo " - SPEED: $MB_SECOND MB/s"