oshash

Documentation

Overview

Package oshash implements the algorithm that OpenSubtitles.org uses to generate unique hashes.

Calculation is as follows: size + 64 bit checksum of the first and last 64k bytes of the file.

Index

• Variables
• func FromFilePath(filePath string) (string, error)
• func FromReader(src io.ReadSeeker, fileSize int64) (string, error)

Variables

var ErrOsHashLen = errors.New("buffer is not a multiple of 8")

Functions

func FromFilePath

func FromFilePath(filePath string) (string, error)

Is the equivalent of opening filePath, and calling FromReader with the data and file size.

func FromReader

func FromReader(src io.ReadSeeker, fileSize int64) (string, error)

FromReader calculates the hash reading from src.