Module : system

Module overview

This module provides functions to retrieve information about the system and the current users of the system. The system:exec method creates the system:Process object, which can control and obtain information about a Ballerina process.

For information on the operations, which you can perform with the system module, see the below Functions.

Records

Detail

Record type to hold the details of an error.

Objects

Process

This object contains information on a process being created from Ballerina.

Functions

exec	Executes an operating system command as a subprocess of the current process.
getEnv	Returns the environment variable value associated with the provided name.
getUserHome	Returns the current user's home directory path.
getUsername	Returns the current user's name.
uuid	Returns a random UUID string.

Constants

INVALID_OPERATION_ERROR	Represents the error code for invalid operations.
PERMISSION_ERROR	Represents the error code for permission errors.
FILE_SYSTEM_ERROR	Represents the error code for file system errors.
FILE_NOT_FOUND_ERROR	Represents the error code for file not found.

Types

Error

Represents System related errors.

Errors

FileNotFoundError	Represents a `FileNotFoundError` with a detailed message.
FileSystemError	Represents a `FileSystemError` with a detailed message.
InvalidOperationError	Represents an `InvalidOperationError` with a detailed message.
PermissionError	Represents a `PermissionError` with a detailed message.