Shell

Map

#!/usr/bin/env bash
declare -A mymap=(["sunjun"]="a" ["jason"]="b" ["lee"]="c")
#输出所有key值
echo ${!mymap[@]}
#输出所有value值
echo ${mymap[@]}
#查找和删除
findkey=$1
value=$2
# 查找
echo ${mymap[$findkey]}
if [ ! -n "${mymap[$findkey]}" ]
then
    echo "not find value"
    mymap[$findkey]=$value
else
    echo "find value"
    unset mymap[$findkey]
fi
echo ${!mymap[@]}
echo ${mymap[@]}

awk

根据jar名称，查询pid，kill进程

ps -ef|grep ${jar_name}-exec |  grep -v "grep"| awk '{print $2}'  |xargs kill -9

if

Shell if 条件判断

数组

shell 使用数组作为函数参数的方法

#!/usr/bin/env bash
function showArr(){
    arr=$1
    for i in ${arr[*]}; do
        echo $i
    done
}
regions=("GZ" "SH" "BJ")
showArr "${regions[*]}"