arrays - bash 关联数组——包含值对的变量

Question

我有一个如下所示的文件:

stringtests (6 tests)
alphatests (1 tests)
arraytests (100 tests)

我可以提取并翻译成:

["stringtests"]="6"
["alphatests"]="1"
["arraytests"]="100"

我将它们放在变量中(“测试”):

~> tests="[\"stringtests\"]=\"6\" [\"alphatests\"]=\"1\" [\"arraytests\"]=\"100\""

然后我尝试使用变量将它们放入关联数组中，但出现错误:

~> declare -A arr=( $tests )
-bash: arr: ["stringtests"]="6": must use subscript when assigning associative array
-bash: arr: ["alphatests"]="1": must use subscript when assigning associative array
-bash: arr: ["arraytests"]="100": must use subscript when assigning associative array

“eval”也不起作用:

declare -A arr=( $(eval echo $tests) )
-bash: arr: [stringtests]=6: must use subscript when assigning associative array
-bash: arr: [alphatests]=1: must use subscript when assigning associative array
-bash: arr: [arraytests]=100: must use subscript when assigning associative array

但是，如果我直接输入值，它就可以工作:

~> declare -A arr=( ["stringtests"]="6" ["alphatests"]="1" ["arraytests"]="100" )
~> echo ${arr[@]}
1 100 6
~> echo ${!arr[@]}
alphatests arraytests stringtests

有可能做到这一点吗？

Answer 1

替换

declare -A arr=( $tests )

与

declare -A arr='('$tests')'

---

tests="[\"stringtests\"]=\"6\" [\"alphatests\"]=\"1\" [\"arraytests\"]=\"100\""
declare -A arr='('$tests')'
declare -p arr

输出:

declare -A arr='([alphatests]="1" [arraytests]="100" [stringtests]="6" )'