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                [TOC] ## 創建數組 語法 ``` ARRAY[INDEX]=value ARRAY=(value1 value2 ... valueN) //or ARRAY=( value1 value2 value3 ) // 定義數據 mp3s=( *.mp3 ) // 賦值一個數組變量 read -a dice // 聲明數組 declare -A colors colors["red"]="#ff0000" colors["green"]="#00ff00" ``` ## 讀取數組 ### 讀取單個 ``` echo ${array[i]} ``` ### 讀取所有成員 ``` $ foo=(a b c d e f) $ echo ${foo[@]} a b c d e f ``` 循環 ``` for i in "${names[@]}"; do echo $i done ``` ## 拷貝一個數組 ``` hobbies=( "${activities[@]}" ) // 合并一個數組 hobbies=( "${activities[@]" diving ) ``` ## 數組的長度 ``` $ a[100]=foo $ echo ${#a[*]} 1 $ echo ${#a[@]} 1 ``` ## 提取數組序號 ``` $ arr=([5]=a [9]=b [23]=c) $ echo ${!arr[@]} 5 9 23 $ echo ${!arr[*]} 5 9 23 ``` ## 提取數組成員 ``` $ food=( apples bananas cucumbers dates eggs fajitas grapes ) $ echo ${food[@]:1:1} bananas $ echo ${food[@]:1:3} bananas cucumbers dates $ echo ${food[@]:4} eggs fajitas grapes ``` ## 追加數組成員 ``` $ foo=(a b c) $ echo ${foo[@]} a b c $ foo+=(d e f) $ echo ${foo[@]} a b c d e f ``` ## 刪除數組 ``` $ unset foo[2] $ echo ${foo[@]} a b d e f ``` ## 關聯數組 Bash 的新版本支持關聯數組
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