Perl的- p选项告诉它读取和处理标准输入中的每行内容，并将结果打印到标准输出。

Perl's -p option tells it to read and process each line from standard input and print the results to standard output.

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但是通过VADump的- o选项还可以得到更有启发作用的输出结果。

But you can generate much more revealing output by using VADump's -o option.

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o选项告诉glpsol将自己的输出结果发送到giapetto . sol中。

The -o option tells glpsol to send its output to giapetto.sol.

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