getenv¶

get the value of an environment variable

Calling Sequence¶

env=getenv(str [, defaultReturn] )

:str character string specifying environment variable name : :defaultReturn an optional character string. When this optional

value is used, the function getenv returns the value defaultReturn when the environment variable str is not found.

: :env character string which contain the environment variable value :

Return the value of an environment variable if it exists.

getenv('SCI')
getenv('FOO','foo')