Perl One-Liners Explained, Part I: File Spacing

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....概要を表示 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

• perl
• oneliner
• reference