Flowdock
method

open

Importance_1
Ruby on Rails latest stable (v5.2.3) - 0 notes - Class: Blob
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This method is only available on newer versions. The first available version of the method is shown here.

open(tmpdir: nil, &block) public

Downloads the blob to a tempfile on disk. Yields the tempfile.

The tempfile’s name is prefixed with ActiveStorage- and the blob’s ID. Its extension matches that of the blob.

By default, the tempfile is created in Dir.tmpdir. Pass tmpdir: to create it in a different directory:

blob.open(tmpdir: "/path/to/tmp") do |file|
  # ...
end

The tempfile is automatically closed and unlinked after the given block is executed.

Raises ActiveStorage::IntegrityError if the downloaded data does not match the blob’s checksum.

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