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local:tldr:3d374
local: Declare a readonly variable with the specified value.
$ local -r ${variable}="${value}"
try on your machine
This command sets a local variable with a read-only attribute in a shell script. Here's how it works:
local
is a shell built-in command that is used to declare local variables within a function or a block of code. It ensures that the variable is only accessible within that particular scope.-r
is an option for thelocal
command, which declares the variable as read-only. Once a variable is set as read-only, its value cannot be modified or reassigned.${variable}
is a placeholder that should be replaced with the name you want to give to the variable. It can be any valid variable name."${value}"
is a placeholder that should be replaced with the value you want to assign to the variable. It can be any valid value, such as a string, number, or another variable.
Putting it all together, the command local -r ${variable}="${value}"
declares a local variable named ${variable}
and sets its value to ${value}
. This variable is then made read-only, so its value cannot be changed later in the script.
This explanation was created by an AI. In most cases those are correct. But please always be careful and
never run a command you are not sure if it is safe.