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Perl One-Liners Explained, Part I: File Spacing
Other than that, I can't wait to start writing the article, so here I go: 1. Double space a file. perl -pe '$\="\n"' This one-liner double spaces a file. There are three things to explain in this one-liner. The "-p" and "-e" command line options, and the "$\" variable. First let's start with the "-e" option. The "-e" option can be used to enter a Perl program directly in the command line. Typicall
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