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Perl
来自开放百科 - 灰狐
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小 (→相关链接) |
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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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