pack and unpack in perl

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Pack and unpack in Perl

Tags: convert sci org UNP complex skip BSP Pre stringThis pack, unpack in "Perl language programming" has introducedIt looks complicated.1 #Convert A string to a hexadecimal format2 my $source='ABCD';3 Unpack('h*',$source);4 #Note that this ' H ' is

PHP Pack && Unpack functions

Tags: style ar using Java for SP file Data divrefer to a set of function pack,unpack before looking at the following example. Any language with socket operation has a function dedicated to the package, PHP is no exception of course this set of

PHP data compression, encryption and decryption (pack, unpack) _php tutorial

network communication, file storage often need to exchange data, in order to reduce network traffic, file storage size and encryption of communication rules, often need to two-way encryption and decryption to ensure data security. The main function

Detailed PHP data compression, encryption and decryption (pack, unpack)

network communication, file storage often need to exchange data, in order to reduce network traffic, file storage size and encryption of communication rules, often need to two-way encryption and decryption to ensure data security. The main functions

PHP pack () functions in a detailed and example

Pack and unpack are not really easy to see in normal programs, but if you use PHP from a long time ago to generate Excel you will know. The head of his Excel is the pack. Recently, when I tried to interact with C, I used this thing again, so I had

PHP pack () functions in a detailed and example

Tags: instead of BCD man TAC Declaration Art Sage Space GenerationPack and unpack are not really easy to see in normal programs, but if you use PHP from a long time ago to generate Excel you will know. The head of his Excel is the pack.Recently,

Pack layout

Chapter 2. Geometry Management the 2nd Chapter Layout management: Display parts on the screen, they must be passed to the layout manager. The layout manager controls the location and size of the part in the display window, where several layout man

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 e

How PHP uses pack to process binary files _php Tutorial

PHP read-write binary files can use the pack and unpack functions. Today to deal with a problem with a binary file, so need to use, specifically to understand the use of the pack, unpack usage similar to this. Simply put, the pack function is to

Perl Chinese Processing tips-Application Tips

Perl has begun to use UTF8 coding internally to represent characters from 5.6, meaning that the processing of Chinese and other language characters should be completely free of problems. We just need to take advantage of the Encode module to give ful

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