shell code

p.sh

root@localhost# cat data
- Name:"AAA"
- Age:"20"
- Name:"BBB"
- Age:"30"

root@localhost#cat p.sh
#!/usr/bin/env bash

IFS=":"

declare -i line=0
declare -i index=0
declare -a arr_name
declare -a arr_age

while read item_name item_value
do
    v=$((line%2))
    case $v in 
        0)
            arr_name[$index]=${item_value}
            ;;
        1)
            arr_age[$index]=${item_value}
            ;;
    esac

    let "index = index + v"
    let "line = line + 1"
done < data

for((i=0; i < $index; ++i))
do
    if [[ ${arr_name[${i}]} == "\"AAA\"" || ${arr_name[${i}]} == "\"BBB\"" ]];then
        echo "- Name:${arr_name[${i}]}"
        echo "- Age:${arr_age[${i}]}"
        echo "- Gender:\"F\""
    fi
done

数字下标的话不需要 "${arr[$i]}"，用 "${arr[i]}" 就是。另外 (( 里面也一样，不涉及复杂的替换仅限于数组和变量的话用不上 $。