Unit 'Dos'	Package
[Overview][Constants][Types][Procedures and functions][Variables][Index]	[#rtl]

GetEnv

Get environment variable by name.

Declaration

Source position: dosh.inc line 120

function GetEnv(

envvar: shortstring

):shortstring;

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.

Program Example14;
uses Dos;

{ Program to demonstrate the GetEnv function. }

begin
  WriteLn('Current PATH is ',GetEnv('PATH'));
end.

EnvCount		Return the number of environment variables.
EnvStr		Return environment variable by index.