foo, ok := os.LookupEnv("FOO")
if !ok {
foo = "none"
}
foo := os.Getenv("FOO")
if foo == "" {
foo = "none"
}
const char * foo = getenv("FOO");
if (foo == NULL) foo = "none";
const char* tmp = std::getenv("FOO");
std::string foo = tmp ? std::string(tmp) : "none";
string foo = Environment.GetEnvironmentVariable("FOO");
if (string.IsNullOrEmpty(foo)) foo = "none";
foo = System.get_env("FOO", "none")
Foo = os:getenv("FOO","none").
call get_environment_variable ("FOO", length=n, status=st)
if (st /= 0) then
foo = "none"
else
allocate (character(len=n) :: foo)
call get_environment_variable ("FOO", value=foo)
end if
def foo = System.getenv('FOO') ?: 'none'
const foo = process.env["FOO"] || "none";
String foo = System.getenv("foo");
if (foo == null) {
foo = "none";
}
$foo = getenv("FOO") ?: "none";
var
foo: string;
begin
foo := GetEnvironmentVariable('FOO');
if (foo = '') then foo := 'none';
end.
my $foo = $ENV{FOO} // 'none';
foo = os.environ.get('FOO', 'none')
try:
foo = os.environ['FOO']
except KeyError:
foo = "none"
foo = getenv('FOO', 'none')
let foo = env::var("FOO").unwrap_or("none".to_string());
let foo = match env::var("FOO") {
Ok(val) => val,
Err(_e) => "none".to_string(),
};
let foo;
match env::var("FOO") {
Ok(val) => foo = val,
Err(_e) => foo = "none".to_string(),
}
Dim _foo as String
Try
foo = Environment.GetEnvironmentVariable("FOO")
Catch ex as Exception
foo = "none"
End Try