my $text = "Perl is a powerful programming language!"; # 去除文本中的标点符号 $text =~ s/[[:punct:]]//g; # 转换为小写 $text = lc $text; print $text . "\n"; Perl在机器学习集成中的应用 虽然Perl没有像Python那样丰富的机器学习库,但可以通过调用外部工具或使用特定的Perl模块来实现机器...
这里SCOKET是客户端发出的socket()调用返回的套接字描述符,ADDRESS是类似于bind调用的套接字地址,除了它包含远程服务器的IP地址。 $port = 21; # For example, the ftp port $server_ip_address = "10.12.12.168"; connect( SOCKET, pack_sockaddr_in($port, inet_aton($server_ip_address))) or die "C...
不过,Larry 自己的文集很幸运地被 Perl 诗歌的王后,Sharon Hopkins 的光芒所掩盖。她写了相当多的 Perl 诗歌,以及一些她在 1992 年 Usenet 冬季技术大会上拿出来的关于 Perl 诗歌的文章,标题是“Camels and Needles: Computer Poetry Meets the Perl Programming Language”。(这篇文章可以在 CAPN 的 misc/poetry...
Perl is a programming language used primarily to develop web applications. Perl is an interpreted, not compiled, language. This means its programs take up more CPU time than a compiled language — a problem that becomes less important as the speed of processors increases. Writing code in Perl ...
对于只是喜欢她的人来说,Perl 是实用抽取和报表语言(Practical Extractoin and Report Language)。对那些热爱她的人而言,她是变态电子垃圾制造者(Pathologically Electric Rubbish Lister)。在少数人眼里,Perl 是毫无意义的重复练习,不过世界需要一点点冗余,精简主义者总是想把事物分隔开,而我们则总是企图把它们合并到...
To make our "Perl execute" example even more powerful, you can use Perl variables inside of the backtick operators. This is very helpful inside of actual programs. For instance, instead of hard-coding the name of my home directory into the command in the previous example, we can imagine ...
For some programming languages, there're two general methods to access an Oracle database from the program, using the Oracle tool SQL*Plus and using the language-specific module (library). This article takes Perl as the example language. ...
An example of a more advanced program from Perl.org is below. This program sends an email using Perl script: #!/usr/bin/perl use strict; use warnings; # create the email message use Email::MIME; my $note = Email::MIME->create( ...
Perl实例精解 (第4版) 中文PDF文字版下载|Perl by Example, 4th Edition O'Reilly Perl Cookbook, 2nd Edition (英文原版) 高级Perl 编程 中文版|O'Reilly Advanced Perl Programming, 2rd Edition 高级Perl 编程 中文版 (magicpaw提供) Perl高级开发 (Professional Perl Development) 中文版PDF下载 ...
她写了相当多的 Perl 诗歌,以及一些她在 1992 年 Usenet 冬季技术大会上拿出来的关于 Perl 诗歌的文章,标题是“Camels and Needles: Computer Poetry Meets the Perl Programming Language”。(这篇文章可以在 CAPN 的 misc/poetry.ps 找到。)除了是最多产的 Perl 诗人之外,Sharon 还是下面这首诗歌的作者,这首...