LogiView

Function 'getenv'

This function returns a string containing the value of an environment variable. If the environment variable is not set an empty string is returned.

 

Syntax:
  {STR_VAR}= getenv({STR_EXPR})
 

I/O parameters:

{STR_EXPR} Environment variable to be read
-  
 

Return value:
 
{STR_VAR} Value of environment variable
 

Example:
  Declaration of Variables
  
10 DOCU_STRING_1 = getenv("DATAVIEW_TEMP")

20 put(DOCU_STRING_1)
  Result:
  "DOCU_STRING_1" contains the path of "DATAVIEW_TEMP".

Functions and commands: Operating System Interface