Perl

This article mainly introduces the CPAN use of Perl learning notes, this article explains what is CPAN, Cpan directory role Introduction, CPAN Install Perl module two methods and so on, the need for friends can refer to the CPAN (Comprehensive Perl

When your Perl script needs to resolve time information, here are two ways to represent and process dates and times. One method is an easy to read time representation (for example, "Sat 10:14:05 EDT 2015"), and the other is to use the Unix timestamp

First, Introductionpattern refers to the character of a particular sequence that is searched for in a string, which is included by a backslash:/def/, Mode def. Its usage, such as combining function split, splits a string into multiple words in a

Environment for WinDOS, two points to note: 1, the default ActivePerl under the code is GBK, so you need to convert the string to GBK will not display garbled2, to traverse the file directory, you need to exclude a special directory. Complete code:

list of common system functions directive : Printsyntax : print FileHandle LISTDescription : This filehandle can be viewed as a bridge between I/O (OUTPUT), which can be used to make data read and write in the FileHandle. StdIn is the

The pop operation takes the last element of the array out and returns:@array =5..9;$fred =pop (@array); # $fred Get 9, @array now (5,6,7,8)$barney =pop@array; # $barneygets 8, @array now (5,6,7)Pop@array; # @array Now (5,6) (7 is discarded)In the

With the in-depth development of network security requirements, network-based intrusion detection technology has become an important and interesting research direction. Want to learn NIDs technology in addition to read some ready-made information

1, the Linux system generally with PerlCan run the program in:/usr/bin/perl 2. Perl Test Procedure Copy Code code as follows: #!/usr/bin/perl-w Use warnings; Print "Hello, Perl works! "; Named test.pl Under the terminal,

#!/usr/bin/perl-wUse strict;Use NET::SMTP;Use AUTHEN::SASL (requires user authentication on the SMTP server, required module)BEGIN {Push (@INC, '/usr/lib/perl5/5.8.8/net/'); } My $from = ' huashan125@huashan.peonymao.com ';My $to = '

The meaning of the offset parameter in the ##################### #read () function Read (FILEHANBD, $var, $length, $offset) The read function has four parameters, most easily misunderstood is the $offset It means to look at the official document and

Perl as an explanatory language, is very popular with the system administrators, the benefits of not much to say, the disadvantages of many, such as the support of the thread has been not good, so most of the time, we need a number of processes to

This article was reproduced from: http://blog.csdn.net/like_zhz/article/details/5441946##########################################################################The portable DBI Method:Connect establishes a connection to a database serverDisconnect

While watching MHA source and learning Perl language three NodeUtil.pmNodeUtil.pm source analysisMHA code is divided into Mha4mysql-manager (Management node) and Mha4mysql-node (Database node) two parts, maybe some people think mha4mysql-node only

Resources:Http://stackoverflow.com/questions/9370720/perl-printing-unicode-strings-to-the-windows-consolehttp://www.perlmonks.org/?node_id=329433http://www.perlmonks.org/?node=871945I used Win32::unicode, but ' Cpan Win32::unicode ' failed, which

The main methods are summarized as follows:1.System ("command");Using this command will open a child process to execute the command in quotation marks, and the parent process will wait for the child process to end and continue executing the

/** * Use under perl: * #华氏温度和摄氏温度之间的转换功能更加完善print "Please enter the temperature to be converted, for example: 20c/30f\n"; $input = ; #获取输入的内容chomp ($input); #去掉文本结尾的换行if ($input =~ m/^ ([-+]?[ 0-9]+ (\.[ 0-9]*)?) * ([CFCF]) $/) {# m/^ ([-+]?[ 0-9

1. Move through the directory tree.When the program runs with the current working directory as the starting point of the relative path, you can use the chdir operator to change the current directory:chdir " / etc " die " Can ' t chdir to/etc:$! "; #

Author: mellonfire2006-05-12 10:10:26   You may already know that there are many existing Perl modules on the Perl integrated collection network (Comprehensive Perl archive

Go to non-securityPython Http://www.nohack.cn/bbs/dispbbs.asp? Boardid = 13id = 551 page = 1 Using NC connection, you can use simple pipeline commands ('') to execute basic system commands. If you are interested, you can add, modify, and make more

Document directory Unzip the tar command in Linux Find-name 'xixi. php' | xargs Perl-pi-E's | Hello | AA | G' Find-name '*. html' | xargs Perl-pi-E's | AA | Hello | G' Find-name '*. HTML '| xargs Perl-pi-E's | | G' (Note: It seems that only