tool

Documentation

Index

• func CombineErrors(err1, err2 error) error
• type File
  • func Open(filename string) (File, error)
  • func (w *File) Close() error
  • func (w *File) File() *os.File
  • func (w *File) Keep(err error)

Functions

func CombineErrors

func CombineErrors(err1, err2 error) error

CombineErrors reports the first non-nil error in the list.

Types

type File

type File struct {
	// contains filtered or unexported fields
}

File wraps an output, and handles various details with tool output, such as possibly directing output to standard out, and deleting an incomplete output file if there was an error.

func Open

func Open(filename string) (File, error)

Open create a new Writer, directing output to standard out if the filename is "-".

func (*File) Close

func (w *File) Close() error

Closes the underlying file, but only if the file is owned by the File. Close will possibly remove the output file if there was an error (see Keep).

func (*File) File

func (w *File) File() *os.File

File returns the underlying file.

func (*File) Keep

func (w *File) Keep(err error)

Keep flags the output file as complete if err is nil. If not called, or if err is not nil, the file will be remove when closed.