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write_file_with_open.rb

This Ruby code snippet demonstrates:

• Loading the json library.
• Creating a hash with a key-value pair.
• Writing the hash to a file named file.json in the input/json directory as JSON data. The file is automatically closed after writing.

Ruby code snippet

require 'json'
#=> true

hash = {:key => 'value'}
#=> {key: "value"}

File.open('input/json/file.json', 'w') {|f| JSON.dump(hash, f)}
#=> #<File:input/json/file.json (closed)>

Executed with Ruby 3.4.5.