module system.tf

The tweakstreet/system module provides information about the operating system and runtime environment.

library system

The system library provides information about the runtime environment.

platform

string

Identifies the operating system platform. The following values are most common:

• "windows"
• "linux"
• "mac"

In addition, the following values are possible:

• "free_bsd"
• "net_bsd"
• "open_bsd"
• "solaris"
• "sun_os"
• "aix"
• "hp-ux"
• "os/400"
• "z/os"
• "os/2"
• "irix"
• "unix"
• "unknown"

> system.platform
"mac"

environment

dict

The environment variables of the current process, indexed by name. All values in the dict are strings.

> system.environment
{
  :TERM "xterm-256color",
  :LANG "en_GB.UTF-8",
  :TMPDIR "/var/folders/3t/mqc70f_54xs9h_xp6t1dhscw0000gn/T/",
  :PWD "/Users/username/tweakstreet-app",
  :PATH "/usr/local/bin:/Users/username/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:Users/username/bin",
  :USER "username",
  :LOGNAME "username",
  :SHELL "/bin/bash",
  :HOME "/Users/username"
  ...
}

file_separator

string

The file separator used by the system.

This is typically '\' for windows systems, and '/' for all other systems.

> system.file_separator
"/"

line_separator

string

The line separator used by the system.

This is "\r\n" for windows systems, and "\n" for all other systems.

> "Hello"..system.line_separator.."World!"
"Hello
World!"

tmp_dir

string

The effective temporary directory as indicated by the operating system.

> system.tmp_dir
"/var/folders/3t/mqc70f_54xs9h_xp6t1dhscw0000gn/T/"

library os

The os library provides information about operating system details.

name

string

The name of the operating system.

> os.name
"Mac OS X"

version

string

The version of the operating system.

> os.version
"10.14.6"

arch

string

The architecture of the operating system.

> os.arch
"x86_64"

platform

string

The platform of the operating system. Identical to system.platform

> os.platform
"mac"

is_mac

boolean

true if the system platform is Mac OS, false otherwise

> os.is_mac
true

is_linux

boolean

true if the system platform is Linux, false otherwise

> os.is_linux
false

is_windows

boolean

true if the system platform is Windows, false otherwise

> os.is_windows
false