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.

How do you declare an array in bash?

1. Give your array a name.
2. Follow that variable name with an equal sign. The equal sign should not have any spaces around it.
3. Enclose the array in parentheses (not brackets like in JavaScript)
4. Type your strings using quotes, but with no commas between them.

Are there arrays in bash?

Bash supports one-dimensional numerically indexed and associative arrays types. Numerical arrays are referenced using integers, and associative are referenced using strings. Numerically indexed arrays can be accessed from the end using negative indices, the index of -1 references the last element.