os

The os module provides functions for interacting with the operating system.

import os

Functions

Function	Description
os.exec(string cmd)	Run a shell command, returns {output, exitcode}
os.env(string key)	Get environment variable (returns nil if not set)
os.env(string key, default)	Get environment variable with default
os.setenv(string key, string val)	Set environment variable
os.envlist()	Get all environment variables as a dict
os.cwd()	Get current working directory
os.chdir(string dir)	Change working directory
os.args()	Get command-line arguments as a list
os.platform()	Get OS name ("darwin", "linux", "windows")
os.arch()	Get architecture ("amd64", "arm64")
os.hostname()	Get system hostname
os.exit(int code)	Exit the program
os.mkdir(string path)	Create directory (and parents)
os.remove(string path)	Remove file or directory
os.exists(string path)	Check if path exists
os.listdir(string path)	List directory contents

Examples

Run a command

import console
import os

var dict result = os.exec("echo hello")
console.println(result["output"])
console.println("Exit code: " + result["exitcode"].tostring())

Environment variables

import console
import os

var string home = os.env("HOME", "/tmp")
console.println("Home: " + home)

os.setenv("MY_VAR", "hello")
console.println(os.env("MY_VAR"))

File system operations

import console
import os

os.mkdir("testdir")
console.println(os.exists("testdir").tostring())

var list files = os.listdir(".")
for f in files {
    console.println(f)
}

os.remove("testdir")

System information

import console
import os

console.println("Platform: " + os.platform())
console.println("Architecture: " + os.arch())
console.println("Hostname: " + os.hostname())
console.println("CWD: " + os.cwd())