linux关联数组的增删改查操作

arrays=(one two three four)  echo ${arrays[@]/o/k} kne twk three fkur  echo ${arrays[@]/%o/k} one twk three four  echo ${ 
        arrays[@]/#o/k} kne two three four  echo ${arrays[@]/o/} ne tw three fur  echo ${arrays[@]:0:2} one two  aa=(a b c)  unset aa[1] echo ${aa[@]}         a c  declare -A mydict=(["name"]=cxm ["age"]=31)  echo ${ 
        mydict["name"]} cxm  echo ${ 
        mydict["age"]} 31 获取索引字段 格式: ${！关联数组名[@或*]} echo ${!mydict[@]} name age 删除相关数组 unset mydict