Style camelCase is bad warnings & strict Want to contribute? Style camelCase is bad Have you ever had to maintain someone else's code? Have you ever had to maintain code ...

"Advanced" functions context and wantarray .. and … Want to contribute? "Advanced" functions context and wantarray Perl has three contexts: void,scalar and list. ...

Special Variables $_ $0 @ARGV @INC %ENV %SIG <> <DATA> and DATA $! $@ Want to contribute? Special Variables $_ $_ is the "it" variable.It's often the default par...

高级函数 上下文与 wantarray .. 和 … 高级函数 October 28, 2013 @ 04:12 PM 上下文与 wantarray Perl 有三种上下文：空、标量、以及列表。 func (); # void my $ret = func (); # scalar my ...

Hello world Hello world Perl脚本是带有.pl 后缀的文本文件。 下面是helloworld.pl 的全部内容： use strict ; use warnings ; print "Hello world" ; Perl脚本由Perl解释器解释执行，perl 或者perl.exe ： per...

模块和包 模块 包 模块和包 在Perl中，模块（module）和包（package）是不同的东西。 模块 模块是你可以包含在另一个Perl文件（脚本或模块）中的一个.pm 文件，是与.pl Perl脚本语法完全相同的文本文件。一个示例模块文件可能位于C:\foo\bar\baz\Demo\StringUtils.pm 或者/foo/bar...

10.44. Version 3.5.4 10.44. Version 3.5.4 Released April, 2001. 11.6 The system-wide mail directory is now /var/mail, no longer /var/spool/mail. Any packages accessing the ma...

To be filed $! use diagnostics Perl is compiled Perl is not a scripting language Larry & p5p: Howstuff gets done Various *.perl.org sites perl -MCPAN -e shell (cpan); touch o...

RPM安装 下载安装包 运行环境配置 安装依赖包 安装RPM包 启动GreatSQL 连接登入GreatSQL 关闭/重启GreatSQL 问题反馈 联系我们 RPM安装 本文档主要介绍如何用RPM包方式安装GreatSQL数据库，假定本次安装是在CentOS 8.x x86_64环境中安装，并且是以root用户身份执行安装操作...

3.6. 安装最少数量的需求软件 3.6.1. 删除 Perl 3.6. 安装最少数量的需求软件 Debian comes with a lot of software, for example the Debian 3.0 woody release includes 6 or 7 (depending on architecture) CD-R...