使用以下脚本下载keepalived deb安装包及其3层依赖

#!/bin/bash

logfile=./

ret=""function getDepends(){ echo "fileName is" $1>>$logfile#use tr to del < >ret=apt-cache depends $1|grep Depends |cut -d: -f2 |tr -d "<>"echo $ret|tee -a $logfile}#需要获取其所依赖包的包libs="keepalived" # 或者用$1，从命令行输入库名字apt-get download $libs

#download libs dependen. deep in 3

i=0while [ $i -lt 3 ] ;dolet i++echo $i#download libsnewlist=" "for j in $libsdoadded="$(getDepends $j)"newlist="$newlist $added"#apt install $added --reinstall -d -yapt-get download $addeddone

libs=$newlist

done