bash shell实现简易进度条

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\n3\\r\\nformat" prog perc

}

Usage(Client)

for i in `seq 1 10`; do

processbar $i 10 test

sleep 1

done

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原文链接：https://blog.csdn.net/wxqee/article/details/38332141