<< createGUID

OS functions

hostname >>

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getenv

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Get the value of an environment variable.

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Syntax

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s = getenv(env_name)

Input argument

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env_name

string scalar, character vector, string array, cell array of character vectors: environment variable name.

Output argument

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s

string scalar, character vector, string array, cell array of character vectors: the environment variable value.

Description

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getenv returns the value of an environment variable if it exists.

If the environment variable does not exist, it will return ''.

If env_name is a nonscalar cell array of character vectors or string array, then val has the same dimensions and type as env_name.

If env_name is a string scalar, then s is a character vector.

Example

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getenv('OS')
getenv('myenvvar')
getenv(["PATH"; "OS"])
getenv({'PATH'; 'OS'})

See also

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setenv, searchenv.

History

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Version	Description
1.0.0	initial version
1.4.0	Retrieve the values of several environment variables.

Author

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Allan CORNET