Linux/Unix 桌面趣事：终端上的圣诞树

给你的Linux或Unix控制台创造一棵圣诞树玩玩吧。在此之前，需要先安装一个Perl模块，命名为Acme::POE::Tree。这是一棵很喜庆的圣诞树，我已经在Linux、OSX和类Unix系统上验证过了。

安装 Acme::POE::Tree

安装perl模块最简单的办法就是使用CPAN（Perl综合典藏网（Comprehensive Perl Archive Network））。打开终端，把下面的指令敲进去便可安装Acme::POE::Tree。

### 以root身份运行 ###

perl -MCPAN -e 'install Acme::POE::Tree'

示例输出：

Installing/home/vivek/perl5/man/man3/POE::NFA.3pm

Installing/home/vivek/perl5/man/man3/POE::Kernel.3pm

Installing/home/vivek/perl5/man/man3/POE::Loop.3pm

Installing/home/vivek/perl5/man/man3/POE::Resource.3pm

Installing/home/vivek/perl5/man/man3/POE::Filter::Map.3pm

Installing/home/vivek/perl5/man/man3/POE::Resource::SIDs.3pm

Installing/home/vivek/perl5/man/man3/POE::Loop::IO_Poll.3pm

Installing/home/vivek/perl5/man/man3/POE::Pipe::TwoWay.3pm

Appending installation info to /home/vivek/perl5/lib/perl5/x86_64-linux-gnu-thread-multi/perllocal.pod

RCAPUTO/POE-1.367.tar.gz

/usr/bin/make install -- OK

RCAPUTO/Acme-POE-Tree-1.022.tar.gz

Has already been unwrapped into directory /home/vivek/.cpan/build/Acme-POE-Tree-1.022-uhlZUz

RCAPUTO/Acme-POE-Tree-1.022.tar.gz

Has already been prepared

Runningmakefor R/RC/RCAPUTO/Acme-POE-Tree-1.022.tar.gz

cp lib/Acme/POE/Tree.pm blib/lib/Acme/POE/Tree.pm

Manifying1 pod document

RCAPUTO/Acme-POE-Tree-1.022.tar.gz

/usr/bin/make-- OK

Runningmaketest

PERL_DL_NONLAZY=1"/usr/bin/perl""-MExtUtils::Command::MM""-MTest::Harness""-e""undef *Test::Harness::Switches; test_harness(0, 'blib/lib', 'blib/arch')" t/*.t

t/01_basic.t .. ok

All tests successful.

Files=1, Tests=2, 6 wallclock secs ( 0.09 usr 0.03 sys + 0.53 cusr 0.06 csys = 0.71 CPU)

Result: PASS

RCAPUTO/Acme-POE-Tree-1.022.tar.gz

Tests succeeded but one dependency not OK (Curses)

RCAPUTO/Acme-POE-Tree-1.022.tar.gz

[dependencies] -- NA

在Shell中显示圣诞树

只需要在终端上运行以下命令：

perl -MAcme::POE::Tree-e 'Acme::POE::Tree->new()->run()'

示例输出

Gif 01: An animated christmas tree in Perl

Gif 01: 一棵用Perl写的喜庆圣诞树

树的定制

以下是我的脚本文件tree.pl的内容：

#!/usr/bin/perl

useAcme::POE::Tree;

my $tree =Acme::POE::Tree->new(

{

star_delay =>1.5,# shimmer star every 1.5 sec

light_delay =>2,# twinkle lights every 2 sec

run_for =>10,# automatically exit after 10 sec

}

);

$tree->run();

这样就可以通过修改stardelay、runfor和light_delay参数的值来自定义你的树了。一棵好玩的终端圣诞树就此诞生。

via: http://www.cyberciti.biz/open-source/command-line-hacks/linux-unix-desktop-fun-christmas-tree-for-your-terminal/

作者：Vivek Gite 译者：soooogreen 校对：wxy

本文由 LCTT 原创编译，Linux中国荣誉推出

不论你在什么时候结束，重要的是结束之後就不要悔恨

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