| [Overview][Constants][Types][Procedures and functions][Variables][Index] | 
Get environment variable by name.
Source position: dosh.inc line 120
| function GetEnv( | 
| envvar: string | 
| ):string; | 
Getenv returns the value of the environment variable EnvVar. When there is no environment variable EnvVar defined, an empty string is returned.
| Remark: | Under some operating systems (such as Unix), case is important when looking for EnvVar. | 
None.
| 
 | Return the number of environment variables | |
| 
 | Return environment variable by index | 
Program Example14; uses Dos; { Program to demonstrate the GetEnv function. } begin WriteLn('Current PATH is ',GetEnv('PATH')); end.