An array is a systematic arrangement of the same type of data. But in Shell script Array is a variable which contains multiple values may be of same type or different type since by default in shell script everything is treated as a string. An array is zero-based ie indexing start with 0.

How do you create an array in Linux?

Create an array

1. Create indexed or associative arrays by using declare. We can explicitly create an array by using the declare command: $ declare -a my_array. …
2. Create indexed arrays on the fly. …
3. Print the values of an array. …
4. Print the keys of an array. …
5. Getting the size of an array. …
6. Deleting an element from the array.

2 июн. 2020 г.

What is an array in bash?

An array is a variable containing multiple values may be of same type or of different type. There is no maximum limit to the size of an array, nor any requirement that member variables be indexed or assigned contiguously. Array index starts with zero. In this article, let us review 15 various array operations in bash.