1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
use envmnt;
use envmnt::{ExpandOptions, ExpansionType};
fn main() {
if !envmnt::exists("MY_ENV_VAR") {
envmnt::set("MY_ENV_VAR", "SOME VALUE");
}
let mut value = envmnt::get_or("MY_ENV_VAR", "DEFAULT_VALUE");
println!("Env Value: {}", &value);
value = envmnt::get_or_panic("MY_ENV_VAR");
println!("Env Value: {}", &value);
let pre_value = envmnt::get_set("MY_ENV_VAR", "SOME NEW VALUE");
let value = envmnt::get_or("MY_ENV_VAR", "DEFAULT_VALUE");
println!("New Env Value: {}", &value);
println!("Previous Env Value: {:?}", &pre_value);
let var_was_set = envmnt::set_optional("MY_ENV_VAR", &Some("OPTIONAL VALUE"));
println!("Env Was Modified: {}", var_was_set);
let all_vars = envmnt::vars(); // returned as Vec<(String, String)>
for (key, value) in all_vars {
println!("{}: {}", key, value);
}
envmnt::set("MY_ENV_VAR2", "SOME VALUE2");
let value = envmnt::get_any(&vec!["MY_ENV_VAR1", "MY_ENV_VAR2"], "default");
println!("MY_ENV_VAR1 exists: {}", envmnt::exists("MY_ENV_VAR1"));
println!("MY_ENV_VAR2 exists: {}", envmnt::exists("MY_ENV_VAR2"));
println!("Found value: {}", value);
let mut options = ExpandOptions::new();
options.expansion_type = Some(ExpansionType::Unix);
let mut value = envmnt::expand("Env: MY_ENV value is: ${MY_ENV}", Some(options));
println!("Expanded: {}", &value);
options.expansion_type = Some(ExpansionType::UnixBracketsWithDefaults);
value = envmnt::expand(
"Env: MY_ENV_NOT_FOUND value is: ${MY_ENV_NOT_FOUND:default value}",
Some(options),
);
println!("Expanded: {}", &value);
}
|
