Module: JekyllAutoThumbnails::DigestCalculator

Defined in:

lib/jekyll-auto-thumbnails/digest_calculator.rb

Overview

MD5 digest calculation for cache keys

Computes short MD5 digests of image files for use in thumbnail filenames.

Class Method Summary

• .short_digest(file_path) ⇒ String

  Compute short (6-char) MD5 digest of file.

Class Method Details

.short_digest(file_path) ⇒ String

Compute short (6-char) MD5 digest of file

Parameters:

• file_path (String) —

  path to file

Returns:

• (String) —

  first 6 characters of MD5 hex digest

Raises:

• (Errno::ENOENT) —

  if file doesn’t exist

# File 'lib/jekyll-auto-thumbnails/digest_calculator.rb', line 15

def self.short_digest(file_path)
  Digest::MD5.file(file_path).hexdigest[0...6]
end