Name
getenv — get the value of an environment variable
Calling Sequence
env=getenv(str [, rep] )
Parameters
- str
character string specifying environment variable name rep : an optional character string. When this optional value is used, the function getenv returns the value rep when the environment variable str is 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')