[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.
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Return the number of environment variables |
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Return environment variable by index |
Program Example14; uses Dos; { Program to demonstrate the GetEnv function. } begin WriteLn('Current PATH is ',GetEnv('PATH')); end.