go-linecount

Fast text file line count tool, like linux wc -l.

Performance

Azure VM 4 Core 16GB Mem

OS: Ubuntu 18.04

Text file size: 11GB

Text file lines: 500 million

First spent time: 34 sec

Secondly spent time: 11 sec

Usage

Download: https://github.com/stulzq/go-linecount/releases

Command: glc -f <filePath>

Enjoy!

Thanks

https://github.com/edsrzf/mmap-go

https://github.com/withlin