Declare and typeset commands

Description

Common Parameters

Format: declare

Format: typeset

Format: declare-P

Format: typeset-P

Displays the values of all variables.

 

Format: declare-P VaR

Format: typeset-P VaR

Displays the value of the specified variable VAR.

 

Format: declare Var = Value

Format: typeset Var = Value

Format: Var = Value

Declare variables and assign values.

 

Format: declare-I VaR

Format: typeset-I VaR

Define the variable VAR as an integer. After that, you can evaluate the expression directly. The result can only be an integer. If the evaluation fails or is not an integer, set it to 0.

 

Format: declare-r VaR

Format: typeset-r VaR

Format: readonly VaR

Declare the variable VAR as a read-only variable. Read-Only variables cannot be modified or deleted.

 

Format: declare-A Var

Format: typeset-A Var

Declare the variable VAR as an array variable. But this is unnecessary. All variables can be used as arrays without explicit definitions. In fact, in a sense, it seems that all the variables are arrays, And the variables assigned with no lower parameters are the same as those assigned to "[0.

 

Format: declare-F

Format: typeset-F

Display all user-defined functions, including names and function bodies.

 

Format: declare-F

Format: typeset-F

Display the names of all custom functions.

 

Format: declare-F func

Format: typeset-F func

Only function definitions of the specified function func are displayed.

 

Format: declare-x VaR

Format: typeset-x VaR

Format: Export VaR

Set the variable VAR to an environment variable, which can be used in subsequent scripts and programs.

 

Format: declare-x Var = Value

Format: typeset-x Var = Value

Format: Export Var = Value

Set the variable VAR to an environment variable and assign it to value.