学习perl（学习Perl）.doc

学****perl(学****Perl)
Learning Perl (1) ()
If you've ever used linux, regardless of the length of time, you must have heard of Perl; you might 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 purely in perl. In the Debian area of the "" 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 mend or mend Perl support.
But what's so good about the Perl language?
"Perl language is very prominent in text processing. bines different content into a whole. All these different elements seem to be the same for this scripting language." -- author of John Ousterhout, Tcl scripting language
Perl: "Practical Extraction and Report Language" (Practical disjunctive report language). Yes, it's rough, but I think that's what you get - if you're going to be sure about $HUNN NGOUS CORP and use it. In fact, Larry Uall< Larry@ > (founder of Perl) is proposed with the help of the Perl manual page: "Perl Pathologically Edectic Rubbish actually represents Lister, but don't tell anyone I said so." Well, he's Larry. What can I say about that?
Perl has been widely recognized as "a scripting language with various language functions", "the trump card 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 (ments products and control system, the Netscape content management and delivery system, the whole group of human ic engineering DNA scheduling and planning management etc.). And there are millions of high-speed programs that surprise us all sorts of things. Perl can also implement the functions of many UNIX public system tools (prompt: if you are learning or must learn awk, SED, grep and tr, I suggest that you replace them with Perl. All of the