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Ruby Gem ldoce 0.0.2 Command Execution
来源:@_larry0 作者:Cashdollar 发布时间:2013-04-03  
Remote command execution in Ruby Gem ldoce 0.0.2
Larry W. Cashdollar
@_larry0
3/25/2013

Ldoce Ruby Gem:

Easily interface with the Longman Dictionary of Contemporary English API from Ruby:

NB currently mac only as it depends on the afplay command.

https://github.com/markburns/ldoce

Ldoce passes an mp3 url to commandline for audio output of the pronunciation of a dictonary word:

If the URL or filename for the mp3 files contain shell metacharacters code can be executed remotely as the client:

[./ldoce-0.0.2/lib/ldoce/word.rb]

      if mp3?
        unless File.exists? filename
          command = "curl #{mp3_url} -silent > {filename}"
          `{command}`
        end
        `afplay #{filename}`
      end

 
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