一行流的由来 perl 一行流 怎样用一行流 Perl之单行命令特技 Perl 命令行一句话代码 翻译+总结 Chapter 1: Introduction to Perl One-Liners Perl one-lin…
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Chapter 3:Perl One-Liners:Numbering
In this chapter, we’ll look at various one-liners for numbering lines and words, and you’ll get to know the $.…