[bash script] Typed Variables



A '-' turns the option on, while '+' turns it off.

Table 6-1. Declare options

Option

Meaning

-a

The variables are treated as arrays

-f

Use function names only

-F

Display function names without definitions

-i

The variables are treated as integers

-r

Makes the variables read-only ,cann't be unset

-x

Marks the variables for export via the environment


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原文地址：https://www.cnblogs.com/friedwm/p/2134198.html