method
compute_checksum_in_chunks
Ruby on Rails latest stable (v7.1.3.2)
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Class: Blob
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compute_checksum_in_chunks(io)
public
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# File activestorage/app/models/active_storage/blob.rb, line 333 def compute_checksum_in_chunks(io) raise ArgumentError, "io must be rewindable" unless io.respond_to?(:rewind) OpenSSL::Digest::MD5.new.tap do |checksum| while chunk = io.read(5.megabytes) checksum << chunk end io.rewind end.base64digest end