QBasic 1.1: ENVIRON$ Function
Explanation
ENVIRON$ Function, ENVIRON Statement
ENVIRON$ returns a DOS environment string.
ENVIRON changes or adds an environment string in the DOS environment table.
Worth knowing
Useful and cross-version information about the programming environments of QBasic, QuickBasic and Visual Basic for DOS.
Syntax
ENVIRON$ (env-variable$) |
ENVIRON$ (n%) |
ENVIRON stringexpression$ |
Description / Parameter(s)
env-variable$ |
The name of a DOS environment variable. |
n% |
Specifies that ENVIRON$ returns the nth string from the environment string table. |
stringexpression$ |
The name and setting of a DOS environment variable (such as PATH or PROMPT) in one of the following forms: env-variable$=env-string$ env-variable$ env-string$ |
Changes made by the ENVIRON statement are erased when the program ends. |
Example
ENVIRON "PATH=TEST"
PRINT ENVIRON$("PATH")