Perl

Perl has long been a popular text-processing tool for its inherent support for regular expressions. In this introductory article, we'll show you how to use regular expressions in your own programs to achieve more powerful text search and

#mode operand Create truncate#read #write > Yes#append >> Yes Case 1:throw A exception if you cannot open the file: Copy Code code as follows: Use strict; Use warnings; My $filename = ' data.txt '; Open (My $fh, ' Or die

This is a Perl script written last year, and I haven't seen Perl since years ago. Copy Code code as follows: #!/usr/bin/perl Use Lwp::simple; Open (FILE, "while () { s/^ip1.*//g; My @file =split (/\,|\s+/,$_); My @file1 = "

How do I use the Perl script operating system environment variables? Presumably a lot of friends will soon think of this particular hash variable that $env in Perl, and, yes, you can get some system variables in $env. How do I get it? For example,

The normal subscript operation in the Perl array must be familiar to everyone, not to be explained here.What this article is trying to say is that the majority of the subscript in the Perl array can be used to greatly facilitate the operation of the

Open the file with the open () function The common ways to open files are: Copy Code code as follows: Open (FH, "Or die "couldn ' t open $filename for reading: $!"; The open () function usually comes with two arguments, the

Execute the perl script by installing Mod_perl in the Apache-run environment. Install Mod_perl The code is as follows Copy Code # yum-y Install Mod_perl Use Perlrun mode to keep the Perl compiler resident in

In PERL development, system commands can usually be executed using the systems function or the ' operator ', but pay attention to alias, BG, bind, break, Builtin, CD, command, Compgen, complete, continue, Declare, dirs, Disown, Echo, enable, Eval,

XAMPP for Mac OS X is the simplest, most practical, and most complete network server solution on Mac OS X. This release includes the latest MySQL, PHP (4+5), and Perl Apache 2 servers. It is published as a MAC OS X installation package, containing

Perl language--Simple descriptionA simple explanationPerl language Full Name: Useful excerpts and report language | Morbid eclectic garbage list. The Perl name is not an abbreviation, but a retrospective.Perl language History: Larry Wall (Larry Wall)

Perl Module Net::scp::expect Batch FileWrite deployment scripts with Net::ssh::P Erl and Net::scp::expectPerl scripts for SCP distribution filesPerl SCP Operations#!/usr/bin/PerlUse net::scp::expect;my $pc _ip="192.168.233.135"; my $pc _passwd="Test"

text: (1+2(123+ (888)3) DDF) wwww (SDF (SDFDSF) GGGG) Match :1+21238883 ddf SDF SDFDSF ggggMatch code:#!/usr/bin/perl UseStrict; Usewarnings; UseRe'Eval';my $str='(1+2 (123+ (888) 3) DDF) wwww (SDF (SDFDSF) GGGG)';my @arr;my $re= qr/(? {Local $a=0})

The idea is to find all the pronunciations of the word, and then take the first letter.Code: while() { Chomp; my($head,$all) = /^(. {3})(.*)$/; $all=~ s/^\s+//; ## # Keep only the first letter of the non-sound label SubToshorter {my $str=$_[0];

Title:new ipad Installation perl support installation Nikto--2012-11-15 09:47The more the New Ipad.SSH new ipadGo to CatalogCd/tmpDownload key Filewget http://coredev.nl/cydia/coredev.pubAdd toApt-key Add Coredev.pubAdd sourceEcho ' Deb

When you do a series of operations in a directory, you may encounter a lot of trouble to create many files or modify files. So, create a new folder, and then create a new file or modify it under this folder. Suppose your code creates a new folder

1 my $dir="d:\\my_work\\temp";2 my @files= ();3 4 #gets the file in the given directory5 @files= Get_dir_files ($dir); 6 7 #gets the file under the given directory and subdirectories8 @files= Get_dir_files_x ($dir);9 Ten #gets the files under the

To study a Perl script today, several of the regular ones are very confusing: $text =~ s/([?! ]) + ([\ \ \"\ (\[\? \? \p {Ispi} ]*[\p{isupper}])/$1\ n$2/g; #Multi-dots followed by sentence starters $Text =~s/(\.[\.]+) +([\

Regular expressionsSimple mode: Matches the contents of the $_, just write the pattern in a pair of slashes (/).such as: #!/usr/bin/env PerlUse 5.010;$_= "Yabba dabba Doo";if (/abba/) {Say "it matched!";}About meta characterssimilar to the Shell :.==

#!/usr/bin/perl#get Scripts Name#print. "\ n"; #get the parametersmy $ARGC= $#argv+1;my $src _file;my $DST _file;#print "$ARGC \ n";if($ARGC==2) { $src _file=@ARGV[0]; $DST _file=@ARGV[1];} elsif($ARGC==1) { $src _file=@ARGV[0]; $DST

Perl tutorial Http://www.cbi.pku.edu.cn/chinese/documents/perl/index.htm Getting started with Perl Http://developer.51cto.com/art/201009/224638.htm Learning Perl 1 helloworld**************************************** ******Brief Introduction:Perl is