LazyCRC

A fast, yet tiny tool to calculate the CRC32 and create the .SFV file

Usage

lazy_crc <file|directory>

or

lazy_crc <path_to_sfv_file> --check

Benchmark

File size (bytes)	Result time
270,708,736	0h 0m 0s 147ms
1,081,618,432	0h 0m 0s 528ms
1,836,064,768	0h 0m 0s 815ms
4,388,488,186	0h 0m 1s 914ms
32,237,408,256	0h 0m 13s 879ms

* All the tests were performed on Samsung 980 Pro NVMe PCle 4.0 (2 Tb)

Notes

• UTF-8 / UTF-16 file names are supported
• You can also drag either the file or directory to the LazyCRC executable file

Stuff used

• date (https://github.com/HowardHinnant/date)
• {fmt} (https://github.com/fmtlib/fmt)
• Fast CRC32 (https://github.com/stbrumme/crc32)
• Crc32 (16*2 algorithm) (https://github.com/Bulat-Ziganshin/Crc32)

Compilation notes

• **Visual Studio 2022 ** is recommended to compile this project