New entries - Perl ABC - Perl Installation, Perl Tutorial, Many Examples

Perl Zemi new entries

2022
7/2 Easiest Way to Get Started with Perl
6/28 How to Write Tests using Github Actions
6/9 The way to read Perl core source codes
5/30 Perl 5.36 is released - warnings enabled, subroutine signatures, try-catch-finally statements, Unicode 14 support
4/26 Installing Strawberry Perl using Chocolatey
4/20 PowerShell(pwsh) Tutorial for Perl
4/18 Installing Perl on WSL 2
1/14 How to create the Cover of Amazon Kindle Paperback using Perl?
2021
11/19 JavaScript Supported Web Scraping using Perl and Selenium
9/21 Maintainable Perl 7 plan
9/3 How to display UTF - 8 at the Windows command prompt
7/26 Summary of how to create a web browser automatic operation robot with Perl - Let's make a practical RPA with Perl (start writing)
6/5 Perl 6 has been renamed to Raku, and Perl 7 is planned to succeed Perl 5
1/7 Selenium::Chrome - JavaScript - enabled web scraping using Chrome
1/6 Selenium::Firefox for JavaScript - enabled web scraping
2020
10/30 Escape sequence of double quoted strings
10/29 Escape sequence of single quoted strings
10/28 Escape sequence - special characters that can be used in strings
10/27 Single quote string
10/26 Double Quoted Strings
9/12 Perl seminar related course
7/31 Recommended way to write a shebang in Perl
7/29 Amazon::S3::Thin - Thin, lightweight, low - level Amazon S3 client
6/17 Add module search path using PERL5LIB environment variable
2/12 D module - encodes data and dumps to standard error
1/17 How to create a Linux - like environment with Strawberry Perl and command prompt
1/15 Class::Struct - Core module that provides object orientation
1/14 Regular expression character class
1/3 Invoice creation - PDF::API2 form creation
1/2 How to check the PDF file from the browser
1/1 Drawing basic figures and creating tables - PDF::Create forms with API2
2019
12/31 Insert image - PDF::Create form with API2
12/30 Draw text - PDF::Create form with API2
12/28 Create a form with Perl - PDF::Create a form with API2
12/27 PDF::API2 installation
12/26 Create PDF file - Create form with PDF::API2
8/3 Giblog 1.0 release - Websites and blog generation tools that can be managed by Git
6/15 Math::Bezier - Find the coordinates of a Bezier curve with Perl
4/4 How to serve static HTML files and CGI in development environment
3/8 __DATA__ - Data section
3/2 Perl Banjo - A web service that lets you write, run, save, and share Perl
2018
8/20 Perl Download and Installation
8/16 plenv - Installation of Perl on User Directories
8/14 Installation of Perl on Mac
8/13 Installation of Perl on Linux/Unix
8/8 Installing Strawberry Perl on Windows
8/6 Installing msys2 and Perl on Windows
6/26 Perl 5.28 released - Unicode 10.0 support, faster string concatenation, ref function, keys function, faster for loop
6/18 read function - Read from a file by specifying the number of bytes
6/17 sysread function - Read from a file with a specified number of bytes (no buffering)
6/16 syswrite function - write to file with a specified number of bytes (no buffering)
6/11 scalar function - evaluated in scalar context
6/4 Get the number of elements in the array
5/31 Scalar context
5/30 List context
5/29 Examine the loaded module%INC
5/27 Get the OS name $^O
5/26 Get the process start time $^T
5/25 Exit status of child process $?
5/24 Regular expression capture $1, $2, $3, ...
5/23 Subroutine argument @_
5/21 Read the entire contents of the file
5/20 Get process ID $$
5/19 Check the processing time
5/18 Check the existence of the file
5/17 Check the existence of the directory
5/16 Get the file size
5/14 sin function - find sine
5/13 cos function - find cosine
5/12 Get the number of days that have passed since the last update
5/11 Get the number of days that have passed since the last access
5/10 Get/set environment variable%ENV
5/9 Get the program name $0
5/8 Module search path @INC
4/30 A tool to run morbo on Windows - winmorbo
4/24 readline function - read one line
4/18 To get infinity (Inf), infinitesimal ( - Inf), non - number (NaN)
3/22 unless modifier - postfix unless
3/10 Fcntl - Import constants for flock/seek/sysopen function
3/9 Time::HiRes - Sleep in microseconds
3/8 Scalar variable reference
3/1 Dereference
2/28 Variable expansion
2/27 Repeat operator "x"
2/26 Decrement operator " - "
2/24 Increment operator "++"
2/23 Modulo operator "%" - find the remainder
2/22 Division operator "/" - Division of numbers
2/21 Multiplication operator "*" - Multiplication of numbers
2/20 Subtraction operator " - " - Numeric subtraction
2/19 Addition operator "+" - Addition of numbers
2/14 Array reference
2/8 Hash reference
2/1 Backticks operator - Run another process and get standard output
1/25 or operator - OR with low priority
1/24 system function - execute another process
1/22 Destructor - DESTROY
1/20 Change the enclosing character of the regular expression - m //
1/18 Default variable $_
2017
12/26 kill function - sends a signal to the process
12/25 do - while statement - Repeated processing, always executed first
12/22 unpack function - restore packed data
12/18 pack function - packs data into binary format
11/11 return function - return return value
10/27 oct function - Converts an octal string to a decimal number
10/26 hex function - Convert hexadecimal string to decimal number
10/5 continue block - execute just before the condition is reevaluated
10/3 readdir function - reads the contents of a directory
10/2 opendir function - opens a directory
10/1 closedir function - closes the directory handle
9/26 Anonymous hash generator - create hash reference
9/24 Anonymous array generator [] - Easily create array reference
9/22 Perl Module Introduction - Introduction to CPAN's Rich Joules
9/17 Site information
7/13 AI::MXNet that performs artificial intelligence and machine learning with Perl looks amazing
5/31 The latest version of Perl, Perl 5.26 released. Indentable Here Documents, Unicode 9.0, Long Key Hash Performance Improvements
5/27 last statement - get out of repetition
5/25 Yadayada operator - ...
5/22 sleep function - sleeps for a specified amount of time
5/21 Iterative processing using for/while statement
5/20 Range operator - m .. n
5/15 redo statement - return to the beginning of the iteration
5/14 goto statement - jump to any label
5/13 next statement - Jump to the beginning of the next iteration [Link transfer]
4/24 MIME::Lite - Easily send emails
4/15 cpm - A tool that allows you to run cpanm in parallel and install modules 3 times faster
4/14 @INC problem, I thought about what kind of danger there is if there is a current directory "." At the beginning of the module path
4/10 Address @INC issues to Perl 5.26 before upgrading
4/8 How to write POD (Plain Old Documentation)
4/4 print function - prints a string
3/26 printf function - formatted string output
2/10 ExtUtils::MakeMaker - Customize Makefile.PL
2/9 Create an XS module
2/8 Mutual conversion between Perl type and C type in XS
2/7 Easy way to implement XS using multiple modules
2/6 How to load C library from XS file
2/5 How to treat a C language structure as a Perl object in XS
2/4 How to use C ++ classes from XS
2/3 How to use C ++ library from XS
2/2 Perl A technique you should definitely remember
1/30 database
2016
11/30 How to create a module
11/26 File/directory operation
11/23 Handle date/time in Perl
11/22 Cooperation with MySQL
11/21 Perl One Liner - Explanation of e Options
11/15 CPAN - How to use convenient modules for free
11/7 Perl variable
11/3 Interprocess communication
11/2 Perl predefined variable
10/30 Object - oriented programming in Perl
10/26 Handling of numbers in Perl
10/23 Conditional branching by if statement
10/22 Perl syntax
10/13 Understand Perl hashes
10/12 Let's understand Perl arrays
10/6 Character code - Handling of character code in Perl
10/5 Perl operators
10/4 Perl builtin functions
10/3 Perl string processing basics
5/10 Perl latest version 5.24 released - faster subroutine and math, Unicode 8.0 support, grammar enhancements
3/28 opcode.h
3/26 opnames.h
3/25 embedvar.h
3/22 perlvars.h
3/21 interpvar.h
3/14 fileno function - get file descriptor
3/12 close function - close file handle
2/25 Perl Release Information - Introducing feature additions for each version
2015
12/12 Validator::Custom - validation of HTML input data
12/10 Validator::Custom::Validation - Validation result
10/5 Let's learn the types of data | Introduction to Rstats (statistical analysis/scientific calculation)
10/3 Let's do simple calculations | Introduction to Rstats (statistical analysis/scientific calculation)
10/2 Introduction to Statistical Analysis/Scientific Calculation Rstats
9/25 Get width and height of the image with Imager getwidth, getheight
7/25 How to use Makefile.PL - From make to archive
6/2 Perl 5.22 has been released - math related enhancements, method performance improvements, regular expression improvements
5/8 Check if the string contains Japanese
2/10 Perl Features - A well - balanced language
2/6 Introduction of Perl core development members - Father Chrysostomos
1/29 Perl is highly compatible with all language cores, standard modules, and CPAN modules
2014
12/20 How to write a program without causing a memory leak in XS
12/19 How to compile Perl itself from source code
9/10 I like the MIME::Lite interface
5/30 Is the hash variable name singular or plural?
5/28 Perl 5.20 released - support for ipv6, new subroutine syntax, new slice notation, Unicode 6.3 support, etc.
4/25 Lingua::JA::Regular::Unicode module
4/16 A tool for investigating IO - loaded processes piotop
2013
11/18 Data::Page::Navigation - Implementation of page navigation
11/6 Creating a graph with PDL
11/1 Install PDL
10/29 Representation of multidimensional data in PDL
10/23 Statistical functions in PDL
10/22 Learn the basics of PDL
10/14 Histogram graph/Statistical analysis by PDL
10/10 Perl's garbage collection (GC) characteristics
9/30 DDP - Output data in an easy - to - understand way
9/16 warnings module
9/12 strict - Strict grammar check
9/5 Task Deal has been released. - Reflect settings on multiple generation machines. An alternative to Perl's Ruby Chef.
7/12 Perl Comments
7/7 Let's review hash - based object orientation
6/30 WebDBViewer - Database viewer for viewing database information from a web browser
6/28 DBD::ODBC error install_driver (ODBC) failed: Unable to get DBI state function. DBI not loaded
6/25 I want to write about a modern CGI script using Perl
6/12 Expressing Unicode characters with code points
6/10 How to find the code point of a character's Unicode
5/20 Perl 5.18 has been released
4/21 GitPrep - Install a portable Github system on Unix/Linux
4/18 getpwnam function - get user ID from username
4/17 getgrnam function - get group ID from group name
4/16 Study of Perl Core Source Codes
3/26 perltidy - Format Perl source code
3/5 Introduction to Object Oriented
2/27 Think about the benefits of having no type in a variable
2/25 Perl seminar coding rules
2/20 Reading material
2012
12/14 PDL - Statistics and analysis with Perl
12/7 FFI::Raw - Call C ++ functions directly from Perl
11/23 Representing complex numbers/Statistical analysis by PDL
11/9 Handling of "matrix" in PDL
9/4 Know the development status of the Perl core. Repositories and mailing lists.
7/2 Defined - or operator "//"
6/4 Representing square meters (m2) in Unicode
5/21 The latest version of Perl, 5.16.0, has been released
5/16 Perl is a familiar scripting language whose syntax is similar to C, Java, PHP, and JavaScript
5/1 View user list in MySQL/MySQL memo
4/29 Perl is a scripting language that maintains backward compatibility
4/14 [Book Guide] Easy Programming CGI/Perl by Yuki Kimoto
2/4 Get module information using metaCPAN API
2/1 Encode::UTF8Mac - Mac OS X filename encoding
1/10 Documentation for Validator::Custom 1.0 and earlier
2011
11/1 MySQL::Diff - Check the differences in the MySQL database
9/4 Parameter mapping conditions
8/20 Imager - Easy to edit images
7/12 Specify the width and height of the main window/Tkx Tips
7/7 Install DBD::Oracle
6/27 Text::CSV::Encoded - Handle CSV files containing Japanese
6/16 Describe image tags
6/13 Errno - Constant representing system error number
5/27 Data::Page - Easy paging process
4/19 Loading external JavaScript
4/17 HTML basics for creating web applications
4/8 Specify the class that describes the template when drawing
3/27 Perl 5.14 release
2/20 perlbrew - Installation of Perl on User Directries
2/12 Perl file input/output basics
1/29 Speed up with bulk insert
1/28 Understand Perl scope
1/7 Script to install CPAN module with Sakura rental server light plan
2010
12/27 What to do if a "505 Internal Server" error occurs on Sakura's rental server
12/22 getpwuid function - get user information (user name)
12/18 Procedure for connecting to SQL Server using Perl's DBI on CentOS
12/6 Introduction of Web system development (Web application development) company, introduction, Web framework
12/1 FAQ - Answering Frequently Asked Questions in Perl
11/30 How to create a subroutine
11/15 Added the procedure to start/stop the web server Starman in the background
10/27 cpanm - Installation of Perl Modules on User Directories
10/8 Japanese CPAN mirror site
9/30 References and multidimensional data structures
8/27 Let's master Perl a regular expression
8/20 File test operator
8/18 perlapi - Data manipulation functions in XS
8/17 Operator precedence
8/16 Perl logical operators
8/9 Getting Started with Perl XS - C Binding to Perl
8/8 List of official documents (with Japanese translation)
8/2 Trivia - Useful to know
5/31 I thought about why Perl doesn't really need exception handling finally
5/28 utf8 - Converts a string written in UTF - 8 of the source code to an decoded string
5/27 Cwd - Get the path of the current directory
5/25 lib - Add module search path
5/24 FindBin - Get the path to the directory where the script resides
5/23 Storable - Serialize data
5/22 Sys::Hostname - Get Hostname
5/20 Net::Ping::External - Execute the ping command in an OS - independent way
5/19 Net::Ping - Check the existence of the remote host
5/17 MIME::QuotedPrint - encoded to quoted - printable format
5/16 MIME::Base64 - Encode and decode to base64 format
5/14 Getopt::Long - Handle command line options
5/10 Archive::Tar - Create and extract tar file
5/9 Benchmark - Benchmark (performance comparison)
5/7 Devel::NYTProf - Easy - to - read profiler
5/6 Devel::DProf - Simple Profiler
5/4 CPAN - Module installation from CPAN
5/2 Digest::SHA - Calculate the digest value by SHA
5/1 Digest::MD5 - Digest value using MD5
4/30 Carp - Raise an exception from the caller's point of view
4/27 JSON - Analyzing JSON data
4/26 Exporter - Export function
4/25 base - inherit class
4/24 XML::Simple - Easy to parse XML
4/19 package - Package declaration
4/14 Text::Diff - Check text differences
4/13 File::Temp - Create a temporary file
4/12 File::Spec - Create OS - independent file name
4/11 Let's understand how Perl exception handling works
4/9 File::Path - Create/delete multi - level directories
4/8 File::Copy - Move and copy files
3/29 quotemeta function - regular expression character escaping
3/27 lcfirst function - Converts the beginning of a string from uppercase to lowercase
3/26 lc function - convert uppercase to lowercase
3/25 ucfirst function - converts the beginning of a string from lowercase to uppercase
3/21 rindex function - Search for a string from the end
3/17 Scalar::Util - Utility for scalar values
3/15 POSIX - Functions defined in POSIX
3/12 eval - catch exceptions, dynamically execute strings
3/8 Perl list
3/5 qq - Double quote operator
3/4 q - Quart operator
3/2 Perl Debugger Guide
2/28 What can Perl do? - Comparison with Ruby, Python, PHP
2/26 Pod::Usage - POD document output
2/25 File::Basename - Get the base name of the file
2/24 Object::Simple - Generate Mojo::Base compatible accessor
2/23 Class::Accessor::Fast - Easy to create accessors
2/22 values function - get all values in the hash
2/20 undef function - undefined value
2/19 defined function - check if the value is defined
2/13 warn function - prints a warning
2/12 die function - display an error message and exit the program
2/4 binmode function - binary mode
2/3 bless function - create object
1/25 unless statement
1/23 while statement - Repeat processing
1/19 grep function - Get only array elements that meet certain conditions
1/18 map function - transformation of all elements of an array
1/10 sort function - sort array
1/7 push function - added to the end of the array
1/6 pop function - extracts the last element of an array
1/5 shift function - get the beginning of the array
1/4 shift function - get the beginning of the array
2009
12/26 The Fastest Master of Perl Basic Syntax
12/12 Creating a Web application template
12/6 SQL basics learned using SQLite
12/5 Database basics learned with SQLite
12/3 Install SQLite on Windows
11/21 Basics of database operation learned with SQLite
11/20 List of modern Perl writing methods
11/18 Encode module - Properly handles multi - byte strings such as Japanese
11/16 Perl module thorough explanation
11/15 Net::FTP - File transfer using FTP
11/5 Time::Piece - A new way to handle dates and times
10/25 List of frequently used functions/standard modules
8/15 DateTime - General - purpose handling of dates and times
7/29 Module
5/13 Module::Starter - Create a distribution module
5/12 Match to the end of the string - \z
5/11 Match to the beginning of the string - \A
5/1 looks_like_number function - determines whether it is a number
4/30 floor function - round down the fractional part
4/14 wait function - waits for the termination of the child process
4/13 fork function - branch process
4/6 Communicate with socket
3/28 Create an object according to the environment
3/27 Polymorphism with inheritance
3/26 Inherit class using base module
3/25 Inheritance mechanism
3/24 Inherit class
3/23 What is inheritance?
3/22 Class template
3/21 Generate accessor
3/20 General - purpose constructor template
3/19 Allow arguments to be passed to the constructor
3/18 Play with the created objects
3/17 Creating a constructor
3/16 Create class - package
3/14 I saw the introduction of CPAN on the Sakura Internet server as a complete procedure.
3/10 Object - oriented advantage 1 Prevent name collisions
3/8 "Monotype" object and "Human type" object
3/7 What is object - oriented programming?
3/5 IO::ScalarArray - Active in standard input testing
3/4 IO::Capture - Capture standard output/standard error output
2/21 Test::More - Write a test program for automated testing
2/16 Convert the file name to the file name in the OS of the execution environment
2/8 do - block that returns a value, load a script
2/7 require - load module at runtime
2/5 use - load module at compile time
2/4 Load the module by specifying the module name with a variable
2/3 Load the module by specifying the file name
1/14 Enable Delete key of Tera Term
2008
11/7 List of locales available for DateTime
11/3 Make sure you give the variable a proper name
11/1 DateTime::TimeZone Timezone name list
10/23 Extract a record containing a specific time from the log
10/22 Find the date n days later
10/20 Find the time difference (including the date in the time)
10/18 Find the time difference (if it does not exceed 24 hours)
10/16 Get the last day of the month
10/14 Time::Local - Convert time information to epoch seconds
10/13 Determine if the date exists
10/12 Determine if it is a leap year
10/11 Get holidays with Google Calendar Data API
10/10 gmtime function - gets the current date and time(Coordinated Universal Time)
10/9 localtime function - get current date/time
10/8 time function - Get the number of seconds elapsed from the epoch to the present
10/7 join function - join array with delimiter
10/1 sprintf function - string formatting
9/30 reverse function - reverses the order of arrays or strings
9/29 ord function - Convert ASCII characters to numbers
9/28 chr function - convert numbers to ASCII
9/27 crypt function - create a digest to check passwords
9/26 length function - get the length of a string
9/25 Math::BigInt, Math::BigFloat - Calculation of numbers with large digits
9/24 ceil function - round up the fractional part
9/23 int function - extracts the integer part from a decimal number
9/22 Round off
9/21 Compare floating point
9/20 log function - find logarithm
9/19 exp function - Get the base Napier number e of the natural logarithm
9/18 Math::Trig - Various trigonometric functions
9/16 Use trigonometric functions
9/14 Convert angle to radians
9/13 Get pi
9/12 abs function - find absolute value
9/10 Perl arithmetic operators
9/9 Math::Random::MT - Generates pseudo - random numbers close to natural random numbers
9/8 srand function - generates reproducible random numbers
9/6 rand function - generate random numbers
9/3 uc function - converts lowercase letters to uppercase
9/1 Binary, octal, hexadecimal conversion
8/31 Determine if the string represents an integer
8/29 Automatic conversion of numbers and strings
8/28 Numerical values and errors
8/27 Binary, octal, and hexadecimal numerical representations
8/26 Numeric literals - Representation of numbers in source code
8/24 umask function - limit permissions with bitmask
8/22 Understand permissions
8/21 chmod function - change file permissions
8/15 Lock the file using the lock file
8/14 flock function - exclusive control of files
8/13 What is file locking?
8/12 Disable buffering
8/11 What is buffering?
8/10 Read and write using random access
8/9 Safely read and write files
8/8 Sequential access and random access
8/6 Bitwise operator - Performs bitwise operations
8/4 sysopen function - specify open mode in detail
8/3 Write a filter program that can specify options
8/2 Write Unix - like filter programming
8/1 Understand how pipes work
7/31 Standard I/O and redirection
7/30 Standard input Standard output Standard error output
7/29 Read a csv file and convert it to an array of Perl hashes
7/28 Read a CSV file and convert it to an array of arrays
7/26 Redirect standard output and write to a file
7/25 getc function - read character by character from file
7/22 Line input operator <> - Read one line from a file
7/21 Understand the concept of file handles
7/18 open function - opens a file
7/16 Dynamic generation of subroutine
7/10 How to create a closure
7/9 AUTOLOAD - Subroutine autoload
7/6 Display UTF - 8 characters at the command prompt
7/4 Subroutine reference
7/3 Hash::Util - Prohibit the addition of hash keys
6/30 sqrt function - find the positive square root
6/29 Exponentiation operator - **
6/20 Subroutine exercises
6/19 Here - Document - Easily create multi - line strings
6/16 Keep in mind to create good subroutine
6/15 Compare the flexibility of Perl subroutine with C
6/14 Understand typeglobs
6/13 Take a peek inside the symbol table
6/12 Subroutine definitions are not affected by scope
6/10 wantarray function - return scalar or list depending on context
6/8 Understand Perl context
6/3 Windows Command Prompt Tutorial
6/2 Downloading and Installing ActivePerl
6/1 Recursively copy multi - level directories
5/31 Get the current directory name
5/30 File::Find - Recursively process subdirectories
5/29 glob function - get list of files contained in directory
5/28 chdir function - change current directory
5/27 Delete directories with hierarchy at once
5/26 rmdir function - delete directory
5/24 Create a multi - level directory
5/23 mkdir function - create a directory
5/22 Move the file Rename the file
5/21 Copy the file
5/20 unlink function - delete file
5/19 Create a file
5/18 Extract the extension from the file name
5/17 Extract the directory name and base name from the file name
5/16 OS - independent file name creation
5/15 Representation of the hierarchy above the directory ..
5/14 Absolute path and relative path
5/13 "_" - Reuse of file test results
5/12 stat function - get detailed information about the file
4/27 __FILE__ - Get the script file name
4/26 __LINE__ - Get line number on script
4/25 __PACKAGE__ - Get package name
4/24 caller function - get caller information
4/19 qr operator - create a regular expression reference
4/4 Representing word character delimiters - \b
4/3 Match the beginning and end of a string - ^and $
3/31 =~ - Pattern Matching Operators
3/29 next statement - jumps to the beginning of the next loop
3/28 foreach - Processing of each element of the array
3/27 for statement - Loop syntax
3/25 Ternary operator A ? B : C
3/24 if modifier - postfix if
3/23 Perl boolean
3/20 if ~ elsif ~ else - Multiple conditional branch
3/18 Perl comparison operator
3/17 if statement - conditional branch
3/9 local - Temporarily save and restore a package variable
3/8 our - Package variable declaration
3/7 my - lexical variable declaration
3/1 split function - split string
2/29 Perl Advanced
2/27 reverse function - reverse array (reverse string)
2/26 chomp function - remove a line break
2/25 index function - search for a string
2/24 substr function - extract/replace string
2/22 String list operator - qw()
2/21 String concatenation operator .
2/16 Array slice
2/15 Hash slice
2/14 delete function - delete hash key
2/13 exists function - check the existence of the hash key
2/12 each function - processes all keys and values in the hash
2/10 keys function - get all keys in the hash
2/8 Data::Dumper - Dump data
1/27 splice function - complex manipulation of array elements
1/14 List::Util - List Utility
1/8 Handling Command Line Arguments @ARGV

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