declare variables and give them attributes | GNU utils

Declare variables and give them attributes.

Declare a string variable with the specified value:

declare variable="value"

Declare an integer variable with the specified value:

declare -i variable="value"

Declare an array variable with the specified value:

declare -a variable=(item_a item_b item_c)

Declare an associative array variable with the specified value:

declare -A variable=([key_a]=item_a [key_b]=item_b [key_c]=item_c)

Declare a readonly string variable with the specified value:

declare -r variable="value"

Declare a global variable within a function with the specified value:

declare -g variable="value"

Print a function definition:

declare -f function_name

For more information, check out the documentation: https://www.gnu.org/software/bash/manual/bash.html#index-declare .

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