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Perl
来自开放百科 - 灰狐
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− | [[Image: | + | {{top news}} |
+ | {{SeeWikipedia}} | ||
+ | [[Image:Perl-90x90.png|right]] | ||
When you need perl, think perl.org | When you need perl, think perl.org | ||
− | [ | + | "[http://dev.perl.org/perl5/ Perl 5] was my rewrite of Perl. I want [http://dev.perl.org/perl6/ Perl 6] to be the community's rewrite of Perl and of the community." |
+ | |||
+ | --[http://www.wall.org/~larry/ Larry Wall] | ||
Perl 是一种自由且功能强大的编程语言。它被用作 Web 编程、数据库处理、XML 处理以及系统管理等等 — 它能够完成所有这些工作,同时仍然是处理小的日常工作的完美工具。Perl 快速、有趣,而且特别有用。很多人因为需要 Perl 而使用它,又因为热爱它而继续使用它。 | Perl 是一种自由且功能强大的编程语言。它被用作 Web 编程、数据库处理、XML 处理以及系统管理等等 — 它能够完成所有这些工作,同时仍然是处理小的日常工作的完美工具。Perl 快速、有趣,而且特别有用。很多人因为需要 Perl 而使用它,又因为热爱它而继续使用它。 | ||
Comprehensive Perl Archive Network: [[CPAN]] | Comprehensive Perl Archive Network: [[CPAN]] | ||
+ | |||
+ | ==新闻== | ||
+ | <rss>http://www.perl.com/pub/atom.xml|short|date|max=10</rss> | ||
+ | |||
==Windows== | ==Windows== | ||
http://downloads.activestate.com/ActivePerl/Windows/5.8/ActivePerl-5.8.8.819-MSWin32-x86-267479.msi | http://downloads.activestate.com/ActivePerl/Windows/5.8/ActivePerl-5.8.8.819-MSWin32-x86-267479.msi | ||
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#!/usr/bin/perl | #!/usr/bin/perl | ||
print "Hello World.\n"; | print "Hello World.\n"; | ||
− | C:\perl hello.pl | + | C:\perl hello.pl |
+ | 模式匹配 | ||
+ | #!/usr/bin/perl | ||
+ | $target = "huihoo"; | ||
+ | open (INPUT,"<index.html"); | ||
+ | while (<INPUT>) { | ||
+ | if (/$target/){ | ||
+ | print"Found $target on line $.\n"; | ||
+ | } | ||
+ | } | ||
+ | close (INPUT); | ||
+ | ==Variable Types== | ||
+ | my $variables = { | ||
+ | scalar => { | ||
+ | description => "single item", | ||
+ | sigil => '$', | ||
+ | }, | ||
+ | array => { | ||
+ | description => "ordered list of items", | ||
+ | sigil => '@', | ||
+ | }, | ||
+ | hash => { | ||
+ | description => "key/value pairs", | ||
+ | sigil => '%', | ||
+ | }, | ||
+ | }; | ||
+ | ===Scalars=== | ||
+ | {{SeeWikipediaChinese}} | ||
+ | |||
+ | my $animal = "camel"; | ||
+ | my $answer = 42; | ||
+ | print $animal; | ||
+ | ===Arrays=== | ||
+ | my @animals = ("camel", "llama", "owl"); | ||
+ | my @numbers = (23, 42, 69); | ||
+ | my @mixed = ("camel", 42, 1.23); | ||
+ | |||
+ | print $animals[0]; # prints "camel" | ||
+ | print $mixed[$#mixed]; # last element, prints 1.23 | ||
+ | |||
+ | my @sequences = (0..9); | ||
+ | my @characters = ('a'..'z'); | ||
+ | my @camels = qw{llama alpaca vicunas}; | ||
+ | |||
+ | ===Hashes=== | ||
+ | my %fruit_color = ("apple", "red", "banana", "yellow"); | ||
+ | $fruit_color{"apple"}; # gives "red" | ||
+ | |||
+ | my @fruits = keys %fruit_colors; | ||
+ | my @colors = values %fruit_colors; | ||
==Perl modules== | ==Perl modules== | ||
[[CPAN]] http://www.cpan.org/ A number of popular modules are included with the Perl distribution itself. | [[CPAN]] http://www.cpan.org/ A number of popular modules are included with the Perl distribution itself. | ||
==OO Perl== | ==OO Perl== | ||
− | * | + | *[http://docs.huihoo.com/perl/perldoc/perlboot.html perlboot] |
− | * | + | *[http://docs.huihoo.com/perl/perldoc/perltoot.html perltoot] |
− | * | + | *[http://docs.huihoo.com/perl/perldoc/perltooc.html perltooc] |
− | * | + | *[http://docs.huihoo.com/perl/perldoc/perlobj.html perlobj] |
+ | ==项目== | ||
+ | *[https://github.com/hachiojipm/awesome-perl Awesome Perl] [[image:awesome.png]] | ||
+ | *[[Mason]] | ||
+ | *[[LiveJournal Server]] | ||
+ | |||
==相关链接== | ==相关链接== | ||
*http://www.perl.org/ | *http://www.perl.org/ | ||
*http://www.perl.com/ | *http://www.perl.com/ | ||
− | * | + | *[http://www.perlchina.org/ 中国Perl协会] |
− | * | + | *[http://perl.plover.com/qotw/ Perl Quiz of the Week] |
− | + | ||
+ | {{comment}} | ||
− | [[ | + | [[category:programming language]] |
+ | [[category:perl]] |
2016年2月29日 (一) 13:00的最后版本
您可以在Wikipedia上了解到此条目的英文信息 Perl Thanks, Wikipedia. |
When you need perl, think perl.org
"Perl 5 was my rewrite of Perl. I want Perl 6 to be the community's rewrite of Perl and of the community."
Perl 是一种自由且功能强大的编程语言。它被用作 Web 编程、数据库处理、XML 处理以及系统管理等等 — 它能够完成所有这些工作,同时仍然是处理小的日常工作的完美工具。Perl 快速、有趣,而且特别有用。很多人因为需要 Perl 而使用它,又因为热爱它而继续使用它。
Comprehensive Perl Archive Network: CPAN
目录 |
[编辑] 新闻
自http://www.perl.com/pub/atom.xml加载RSS失败或RSS源被墙
[编辑] Windows
http://downloads.activestate.com/ActivePerl/Windows/5.8/ActivePerl-5.8.8.819-MSWin32-x86-267479.msi 将 perl 安装到 C:\Perl-5.8.8\ 将C:\Perl-5.8.8\bin 加入 PATH的环境变量 C:\perl -v C:\Perl-5.8.8\eg\cgi>perl env.pl
创建 hello.pl
#!/usr/bin/perl print "Hello World.\n"; C:\perl hello.pl
模式匹配
#!/usr/bin/perl $target = "huihoo"; open (INPUT,"<index.html"); while (<INPUT>) { if (/$target/){ print"Found $target on line $.\n"; } } close (INPUT);
[编辑] Variable Types
my $variables = { scalar => { description => "single item", sigil => '$', }, array => { description => "ordered list of items", sigil => '@', }, hash => { description => "key/value pairs", sigil => '%', }, };
[编辑] Scalars
您还可以在维基百科上了解到此条目的中文信息 Perl 感谢, 维基百科. |
my $animal = "camel"; my $answer = 42; print $animal;
[编辑] Arrays
my @animals = ("camel", "llama", "owl"); my @numbers = (23, 42, 69); my @mixed = ("camel", 42, 1.23);
print $animals[0]; # prints "camel" print $mixed[$#mixed]; # last element, prints 1.23
my @sequences = (0..9); my @characters = ('a'..'z'); my @camels = qw{llama alpaca vicunas};
[编辑] Hashes
my %fruit_color = ("apple", "red", "banana", "yellow"); $fruit_color{"apple"}; # gives "red" my @fruits = keys %fruit_colors; my @colors = values %fruit_colors;
[编辑] Perl modules
CPAN http://www.cpan.org/ A number of popular modules are included with the Perl distribution itself.
[编辑] OO Perl
[编辑] 项目
[编辑] 相关链接
<discussion>characters_max=300</discussion>
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