Question

I m new to rails and I m currently trying to parse an uploaded file to rails. However, after I "read" the file once I cannot read it again. From what I ve read online it appears that rails immediately deletes the uploaded file. Is there a way to make the file persistent? My code is as follows

  file_param = params[:sequence]

  file_param.read.each do |l|
    # do stuff
  end

  file_param.read.each do |l|
    # do stuff again. this is not being called.
  end

我怀着使用纸张或其他一些储存库的想法,但我不需要储存档案,只是阅读其内容。感谢!

Answer 1

如果你真的需要多长时间,或只是节省开支,就把它看成一个阵列。

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