getenv
get the value of an environment variable
Syntax
env=getenv(str [, defaultReturn] )
Arguments
- str
character string specifying environment variable name
- defaultReturn
an optional character string. When this optional value is used, the function
getenvreturns the valuedefaultReturnwhen the environment variablestris not found.- env
character string which contain the environment variable value
Description
Return the value of an environment variable if it exists.
Examples
getenv('SCI') getenv('FOO','foo')
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