perl split pipe

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Perl a sentence summary of common parameters in command line programming _perl

The online environment at work has a lot of Perl command-line commands like a sentence, and today concludes some of the things that Perl command line programming. - e The string followed by the quotation marks is the command to execute: Copy

Perl Concise Tutorials Perl Tutorials Collection _perl

Reference: http://shouce.jb51.net/perl5/Web site environment configuration: http://www.jb51.net/article/74005.htm The basic syntax of Perl http://www.jb51.net/shouce/Perl.htm Preface: What is Perl, and what is it used for? Perl's original designer'

Perl Built-in Special Variables Summary _ Basic Tutorial

[File handle] $| If Non-zero, force clear buffer after write or print operation on the currently selected file$% the current page number of the currently selected file handle$= the current page length of the currently selected file handle$-the

Perl Study Notes [not full version]

1. Simple Variables ============== 1. Integer$ X = 123456;Perl stores integer data in floating-point registers. In fact, integer variables are treated as floating-point numbers in Perl, but they are only a special column of floating-point data.The

Perl function Set Summary _perl

Process processing functions 1. Process Start functionFunction name EvalCall Syntax eval (string)The commentary considers a string as a Perl statement execution.When executed correctly, the system variable $@ is an empty string, and if there is an

Common Perl functions 2

Perl Common function set 2 I. Process processing functions1. Process startup FunctionFunction Name evalCall the syntax eval_r (string)The description regards string as a Perl statement execution.After the command is correctly executed, the

Perl function set

I. Process processing functions 1. Process startup Function Function Name eval Call the syntax eval (string) Describe the stringPerlStatement execution. After the command is correctly executed, the system variable $ @ is an empty string. If an error

Perl Study notes--File test

The file test is used primarily to view information such as the existence of a file, file size, file update time, and so on.File Test OperatorsWhether the-e test file exists;Die "oops! A file called ' $filename ' already exists.\n "if-e $filename;-m

Regular Expression, Regular Expression

Regular Expression, Regular Expression Regular Expressions are a combination of symbols with special meanings to describe character or string. These special symbols are combined together called regular expressions. Regular Expressions are a

Linux Shortcut key Collection

ctrl + a  switch to the command line start this operation is the same as the home implementation, but home in some UNIX environment can not be used, it is possible to use this combination; Vim under Linux, this is also valid; In many of the Windows

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