來自:http://www.perlfect.com/articles/sorting.shtml perl 比較操作符列表: NumbersStrings<lt>gt<=le>=ge==eq<=>cmp!=ne <=> 和cmp的詳細解釋: Relation of $a and $bValue Returned by $a <=>$a greater than $b1$a equal to $b0$a less than
轉自:http://perl.apache.org/docs/general/perl_reference/perl_reference.html use(), require(), do(), %INC and @INC Explained The @INC array@INC is a special Perl variable which is the equivalent of the shell's PATH variable. Whereas PATH contains a
REST::Neo4p – PERL版本的”OGM” | Neo4j中文站 – 世界領先的圖資料庫--> REST::Neo4p – PERL版本的”OGM”發表於 2012 年 10 月 21 日 由 neo4jThis is a guest post by Mark A. Jensen, a DC area bioinformatics scientist. Thanks a lot Mark for writing the
代碼:需要顯式地定義變數且初始化。例如optionX。如果沒有定義變數且顯式初始化,且沒有在命令列指定選項,則選項對應的變數將為未定義。 #!/bin/perl-5.8.3/bin/perl$use warnings;$use strict;$use Data::Dumper;$use Getopt::Long;$use Pod::Usage;$our $g_opts;our $optionX=''; #if not defined in command line, it will be emp
一 安裝perl模組到非自訂目錄 How do I get MakeMaker and Module::Build to install to the same place?Module::Build, as of 0.28, supports two ways to install to the same location as MakeMaker.1) Use INSTALL_BASE / --install_baseMakeMaker (as of 6.31) and
參考連結 Perl 常用命令列選項 unix 常用命令 perl 實現 sed awk tr nl perl 和sed,awk,tr,grep,nl等常用命令替換sedtasksedperlReplace 12 with twelvesed 's/12/twelve/g'perl -pe 's/12/twelve/g'Replace the word sh with Bourne Shellsed -e 's/ sh / Bourne Shell /g'[1]perl -