gleam/erlang/os
Access to the shell’s environment variables
Types
Functions
pub fn family() -> OsFamily
Returns the kernel of the host operating system.
Unknown kernels are reported as Other(String)
; e.g. Other("sunos")
.
Examples
> family()
Linux
> family()
Darwin
> family()
Other("sunos")
pub fn get_all_env() -> Map(String, String)
Returns the list of all available environment variables as a list of key, tuples.
Examples
> get_all_env()
map.from_list([
#("SHELL", "/bin/bash"),
#("PWD", "/home/j3rn"),
...
])
pub fn get_env(name name: String) -> Result(String, Nil)
Returns the value associated with the given environment variable name.
Examples
> get_env("SHELL")
"/bin/bash"
> get_env(name: "PWD")
"/home/j3rn"
pub fn set_env(name name: String, value value: String) -> Nil
Associates the given value with the given environment variable name.
Examples
> set_env("MYVAR", "MYVALUE")
Nil
> get_env("MYVAR")
"MYVALUE"
> set_env(value: "MYVALUE", name: "MYVAR")
Nil