util

Documentation

Index

• Variables
• func Clean(s string) string
• func Command(timeout time.Duration, name string, arg ...string) ([]byte, error)
• func ReadCommand(line func(string) error, name string, arg ...string) error
• func ReadCommandTimeout(timeout time.Duration, line func(string) error, name string, arg ...string) error
• func Set()

Variables

var (
	ErrPath    = errors.New("program not in PATH")
	ErrTimeout = errors.New("program killed after timeout")
)

var (
	Hostname string
	// FullHostname, if false, uses the hostname upto the first ".". Run Set()
	// manually after changing.
	FullHostname bool
)

Functions

func Clean

func Clean(s string) string

Clean cleans a hostname based on the current FullHostname setting.

func Command

func Command(timeout time.Duration, name string, arg ...string) ([]byte, error)

Command executes the named program with the given arguments. If it does not exit within timeout, it is sent SIGINT (if supported by Go). After another timeout, it is killed.

func ReadCommand

func ReadCommand(line func(string) error, name string, arg ...string) error

ReadCommand runs command name with args and calls line for each line from its stdout. Command is interrupted (if supported by Go) after 10 seconds and killed after 20 seconds.

func ReadCommandTimeout

func ReadCommandTimeout(timeout time.Duration, line func(string) error, name string, arg ...string) error

ReadCommandTimeout is the same as ReadCommand with a specifiable timeout.

func Set

func Set()