sys — System Information

OS environment, process arguments, platform detection, and process control.

Environment Variables

import { getEnv, setEnv } from "sys";

let home = getEnv("HOME");         // "/Users/vex"
setEnv("APP_MODE", "production");

Command-Line Arguments

import { args } from "sys";

let argv = args();     // Vec<string> of CLI arguments

Platform Detection

import { os, arch } from "sys";

let osName = os();       // "darwin", "linux", "windows"
let archName = arch();   // "amd64", "arm64"

Process Control

import { exit } from "sys";

exit(0);    // Exit with status code 0
exit(1);    // Exit with failure