[[ $i ]] && IFS=" " tmp_array["${i:- }"]=1 done printf '%s\n' "${!tmp_array[@]}" } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 用法示例: $ remove_array_dups 1 1 2 2 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5 5 1 2 3 4 5 $ arr=(red red green blue blue) $...
While iterating through the array, I executed the following codeunset array[$i]to remove the elements. This process successfully eliminated the elements, but it resulted in an altered array that appears as follows: array=(jim 0 26 '' billy '' '' foo bar) I need it to look li...
/bin/bash file="data.txt" array=() while IFS= read -r line; do array+=("$line") done < "$file" echo "All the elements of an array are: ${array[@]}" I know it looks complex. Let me break it down for you. array()created an empty array calledarray....
Indexed arraysare a type of array where elements (values) are stored and assigned with an integer number starting from0toN. The elements inside the array are referenced using the index number. You will get to know more about this in the upcoming article. The main focus of this article is ...
Another common issue is dealing with empty or undefined elements in your array. If you try to access an element that doesn’t exist, Bash won’t throw an error but will return an empty string. Here’s an example: # Trying to access an undefined element ...
$reverse_array1234554321$arr=(red blue green)$reverse_array"${arr[@]}"green blue red 删除重复的数组元素 创建临时关联数组。设置关联数组 值并发生重复赋值时,bash会覆盖该键。这 允许我们有效地删除数组重复。 CAVEAT:需要bash4+ 示例功能: remove_array_dups() {# Usage: remove_array_dups "array"dec...
bash_array参考脚本 检查当前脚本进程号和shell解释器判断 scripts arguments & system variables references 小综合案例 递归复制目录(不使用-R选项) bash_variables/array/编写shell过程,实现复制一个完整目录的功能 bash variables& expressions references Bash 变量 - Bash 脚本教程 - 网道 (wangdoc.com) ...
(Array length) How to remove a key from a Bash Array or delete the full array? (delete) Detailed Examples & FAQ How to shuffle the elements of an Array in a shell script? How to sort the elements of an Array in a shell script? How to get a subset of an Array? How to check ...
You can also access the individual elements of the array by specifying the index. For example, echo "${array[0]}". Using Command Substitution To return the entire array from a function in Bash: Use the function to define a function. Inside the function: Declare and initialize an array ...
# Usage: remove_array_dups "array" declare -A tmp_array for i in "$@"; do [[ $i ]] && IFS=" " tmp_array["${i:- }"]=1 done printf '%s\n' "${!tmp_array[@]}" } 用法示例: $ remove_array_dups 1 1 2 2 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5 5 ...