Standard library

OS

Process id, working directory, hostname, and platform.

Introduction

Process id, working directory, hostname, and platform. Import std/os to bind the module as os. Call free functions as os.name(...). Struct methods use a receiver value.

/ std/os

This page is the package reference for std/os. Private helpers used only by co-located tests are not listed.

Functions

Free functions on os. Each function has a short description, an example, then parameters and return shape.

pid

Returns the current process id. Call form: os.pid().

/ std/os

$ id = os.pid()

Parameters: No parameters. Returns: Integer process id.

cwd

Returns the current working directory. Call form: os.cwd().

/ std/os

$ dir = os.cwd()

Parameters: No parameters. Returns: Working directory path string.

chdir

Changes the process working directory. Call form: os.chdir(path).

/ std/os

os.chdir(p'/tmp')

Parameters: path: directory path as string or locator. Returns: None.

hostname

Returns the host name of the machine. Call form: os.hostname().

/ std/os

$ h = os.hostname()

Parameters: No parameters. Returns: Hostname string.

platform

Returns a platform identifier string. Call form: os.platform().

/ std/os

$ p = os.platform()

Parameters: No parameters. Returns: Platform string.