学习Perl（学习Perl）.doc

学习Perl（学习Perl） Learning Perl (1) () If you have ever used linux, no matter the length of time, you must have heard of Perl; you may even run a lot of Perl scripts without knowing it. Many service programs such as iNews, mirror, debconf, majordomo, SIRC, and so on, are written solely in perl. In the Debian area of the Packages.gz file in a simple zgrep, you can know that Perl needs the support of 382 packets (which means the package has at least one part is written in Perl.) The other 28 packages also recommend or recommend the use of Perl support. But whats so good about the Perl language? Perl language is very prominent in text processing, which combines different content into a whole. All of these different elements look the same for this scripting language. - John, Ousterhout, author of Tcl scripting language Perl is the Practical Extraction and Report Language (Practical disjunctive Reporting Language). Yes, its rough, but I think thats what you get - if youre going to be sure about $HUNN NGOUS CORP and use it. In fact, Larry Uall Larry@wall org (founder of Perl) is proposed with the help of the Perl manual page: Perl Pathologically Edectic Rubbish actually represents Lister, but dont tell anyone I said so. Well, hes Larry. What else can I say about that? Perl has been widely known as a fantasy scripting language with a variety of language functions, the ace tool in Unix. And some other similar terms, these are the words of praise, Perl is used to write a single line script, rapid implementation procedures, the project planning (all comments products and control system, the A Netscape content management and delivery system, the whole group of human genetic engineering DNA scheduling and planning management etc.). There are also millions of high-speed programs that surprise us all kinds of things. Perl can also implement many of the UNIXs public system tools (prompt: if youre learning or have to learn awk, SED, grep, and tr, I suggest you replace them with Perl.