tldr/pages/common/declare.md

declare

Declare variables and give them attributes. More information: https://www.gnu.org/software/bash/manual/bash.html#index-declare.

• 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}}