develog

string replacestr=/home/{USER}/dataecho $str user=james str=${str/\{USER\}/$user}echo $str # output/home/{USER}/data/home/james/data

array test1 (associative array)declare -A server1=(['ip']='1.1.1.1' ['user']='user1')declare -A server2=(['ip']='2.2.2.2' ['user']='user2') echo ${server1['ip']}echo ${server1['user']} echo ${server2['ip']}echo ${server2['user']} array test2server1=("1.1.1.1" "user1")server2=("2.2.2.2" "user2") target=( server1[@] server2[@]) for ((i=0; i