Bash Parameters and Variables: Difference between revisions

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=<tt>local</tt> Keyword=
=<tt>local</tt> Keyword=


<tt>local</tt> must be used in a function.
The <tt>local</tt> keyword designates a local variable. Local variables can only be declared inside a function.


=<tt>export</tt>=
=<tt>export</tt>=

Revision as of 00:48, 27 May 2016

Internal

Global Variable

local Keyword

The local keyword designates a local variable. Local variables can only be declared inside a function.

export

Scope

All variables declared in a shell are visible inside the functions executed within that shell and inside functions invoked from function invoked from the shell, recursively.

Shell Level

Function Level