tail

Documentation

Overview

Package tail provides utilities to tail lines.

Index

• func FindTailLineStartIndex(f io.ReadSeeker, n int64) (int64, error)

Functions

func FindTailLineStartIndex

func FindTailLineStartIndex(f io.ReadSeeker, n int64) (int64, error)

FindTailLineStartIndex returns the start of last nth line. * If n < 0, return the beginning of the file. * If n >= 0, return the beginning of last nth line. Notice that if the last line is incomplete (no end-of-line), it will not be counted as one line.