tldr/pages/common/declare.md

801 B

declare

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

  • 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}}"