BASH Shell 简易进度条小函数

# processbar <current> <total>
processbar() {
local current=$1; local total=$2;
local maxlen=80; local barlen=66; local perclen=14;
local format="%-${barlen}s%$((maxlen-barlen))s"
local perc="[$current/$total]"
local progress=$((current*barlen/total))
local prog=$(for i in `seq 0 $progress`; do printf '#'; done)
printf "\r$format" $prog $perc
}

# Usage(Client)
for i in `seq 1 10`; do
processbar $i 10
sleep 1
done
echo ""