filch

package

v0.0.0-...-113f59a Latest Latest Go to latest Published: Feb 16, 2024 License: BSD-3-Clause Imports: 7 Imported by: 0

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Package filch is a file system queue that pilfers your stderr. (A FILe CHannel that filches.)

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type Filch struct {
	OrigStderr *os.File
	// contains filtered or unexported fields
}

A Filch uses two alternating files as a simplistic ring buffer.

func New(filePrefix string, opts Options) (f *Filch, err error)

New creates a new filch around two log files, each starting with filePrefix.

func (f *Filch) Close() (err error)

Close closes the Filch, releasing all os resources.

func (f *Filch) TryReadLine() ([]byte, error)

TryReadline implements the logtail.Buffer interface.

func (f *Filch) Write(b []byte) (int, error)

Write implements the logtail.Buffer interface.

type Options struct {
	ReplaceStderr bool // dup over fd 2 so everything written to stderr comes here
	MaxFileSize   int
}