On Mon, 6 Apr 2015, Hongyi Zhao wrote:

> 3- Then, I re-run curl with the following command to test the resume
> option of curl by using the above re-generated Packages.bz2 file:

> 4- Finally, I found that the result file is different from the original
> one directly downloaded from that site (*):

> Any hints?

-C - will "resume" a transfer from a given position. If you have a broken
first part of the file, that part will remain just as broken after that
resumption. Resume only means getting the final missing chunk.

-- 
  / daniel.haxx.se
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