1= Ruby Standard Library 2 3The Ruby Standard Library is a vast collection of classes and modules that you 4can require in your code for additional features. 5 6Below is an overview of libraries and extensions followed by a brief 7description. 8 9== Libraries 10 11Abbrev:: Calculates a set of unique abbreviations for a given set of strings 12Base64:: Support for encoding and decoding binary data using a Base64 representation 13Benchmark:: Provides methods to measure and report the time used to execute code 14CGI:: Support for the Common Gateway Interface protocol 15DEBUGGER__:: Debugging functionality for Ruby 16Delegator:: Provides three abilities to delegate method calls to an object 17DRb:: Distributed object system for Ruby 18English.rb:: Require 'English.rb' to reference global variables with less cryptic names 19ERB:: An easy to use but powerful templating system for Ruby 20Find:: This module supports top-down traversal of a set of file paths 21GetoptLong:: Parse command line options similar to the GNU C getopt_long() 22MakeMakefile:: Module used to generate a Makefile for C extensions 23Monitor:: Provides an object or module to use safely by more than one thread 24Net::FTP:: Support for the File Transfer Protocol 25Net::HTTP:: HTTP client api for Ruby 26Net::IMAP:: Ruby client api for Internet Message Access Protocol 27Net::POP3:: Ruby client library for POP3 28Net::SMTP:: Simple Mail Transfer Protocol client library for Ruby 29Observable:: Provides a mechanism for publish/subscribe pattern in Ruby 30OpenURI:: An easy-to-use wrapper for Net::HTTP, Net::HTTPS and Net::FTP 31Open3:: Provides access to stdin, stdout and stderr when running other programs 32OptionParser:: Ruby-oriented class for command-line option analysis 33PP:: Provides a PrettyPrinter for Ruby objects 34PrettyPrinter:: Implements a pretty printing algorithm for readable structure 35profile.rb:: Runs the Ruby Profiler__ 36Profiler__:: Provides a way to profile your Ruby application 37PStore:: Implements a file based persistence mechanism based on a Hash 38Racc:: A LALR(1) parser generator written in Ruby. 39RbConfig:: Information of your configure and build of Ruby 40resolv-replace.rb:: Replace Socket DNS with Resolv 41Resolv:: Thread-aware DNS resolver library in Ruby 42Rinda:: The Linda distributed computing paradigm in Ruby 43Gem:: Package management framework for Ruby 44SecureRandom:: Interface for secure random number generator 45Set:: Provides a class to deal with collections of unordered, unique values 46Shellwords:: Manipulates strings with word parsing rules of UNIX Bourne shell 47Singleton:: Implementation of the Singleton pattern for Ruby 48Tempfile:: A utility class for managing temporary files 49Time:: Extends the Time class with methods for parsing and conversion 50Timeout:: Auto-terminate potentially long-running operations in Ruby 51tmpdir.rb:: Extends the Dir class to manage the OS temporary file path 52TSort:: Topological sorting using Tarjan's algorithm 53un.rb:: Utilities to replace common UNIX commands 54URI:: A Ruby module providing support for Uniform Resource Identifiers 55WeakRef:: Allows a referenced object to be garbage-collected 56YAML:: Ruby client library for the Psych YAML implementation 57 58== Extensions 59 60Coverage:: Provides coverage measurement for Ruby 61Digest:: Provides a framework for message digest libraries 62IO:: Extensions for Ruby IO class, including #wait and ::console 63NKF:: Ruby extension for Network Kanji Filter 64objspace:: Extends ObjectSpace module to add methods for internal statistics 65Pathname:: Representation of the name of a file or directory on the filesystem 66PTY:: Creates and manages pseudo terminals 67Readline:: Provides an interface for GNU Readline and Edit Line (libedit) 68Ripper:: Provides an interface for parsing Ruby programs into S-expressions 69Socket:: Access underlying OS socket implementations 70Syslog:: Ruby interface for the POSIX system logging facility 71WIN32OLE:: Provides an interface for OLE Automation in Ruby 72 73= Default gems 74 75== Libraries 76 77Bundler:: Manage your Ruby application's gem dependencies 78CMath:: Provides Trigonometric and Transcendental functions for complex numbers 79CSV:: Provides an interface to read and write CSV files and data 80E2MM:: Module for defining custom exceptions with specific messages 81FileUtils:: Several file utility methods for copying, moving, removing, etc 82Forwardable:: Provides delegation of specified methods to a designated object 83IPAddr:: Provides methods to manipulate IPv4 and IPv6 IP addresses 84IRB:: Interactive Ruby command-line tool for REPL (Read Eval Print Loop) 85Logger:: Provides a simple logging utility for outputting messages 86Matrix:: Represents a mathematical matrix. 87Mutex_m:: Mixin to extend objects to be handled like a Mutex 88OpenStruct:: Class to build custom data structures, similar to a Hash 89Prime:: Prime numbers and factorization library 90RDoc:: Produces HTML and command-line documentation for Ruby 91REXML:: An XML toolkit for Ruby 92RSS:: Family of libraries that support various formats of XML "feeds" 93Scanf:: A Ruby implementation of the C function scanf(3) 94Shell:: An idiomatic Ruby interface for common UNIX shell commands 95Synchronizer:: A module that provides a two-phase lock with a counter 96ThreadsWait:: Watches for termination of multiple threads 97Tracer:: Outputs a source level execution trace of a Ruby program 98WEBrick:: An HTTP server toolkit for Ruby 99 100== Extensions 101 102BigDecimal:: Provides arbitrary-precision floating point decimal arithmetic 103Date:: A subclass of Object includes Comparable module for handling dates 104DateTime:: Subclass of Date to handling dates, hours, minutes, seconds, offsets 105DBM:: Provides a wrapper for the UNIX-style Database Manager Library 106Etc:: Provides access to information typically stored in UNIX /etc directory 107Fcntl:: Loads constants defined in the OS fcntl.h C header file 108Fiddle:: A libffi wrapper for Ruby 109GDBM:: Ruby extension for the GNU dbm (gdbm) library 110IO::console:: Console interface 111JSON:: Implements Javascript Object Notation for Ruby 112OpenSSL:: Provides SSL, TLS and general purpose cryptography for Ruby 113Psych:: A YAML parser and emitter for Ruby 114SDBM:: Provides a simple file-based key-value store with String keys and values 115StringIO:: Pseudo I/O on String objects 116StringScanner:: Provides lexical scanning operations on a String 117Zlib:: Ruby interface for the zlib compression/decompression library 118 119= Bundled gems 120 121== Libraries 122 123DidYouMean:: "Did you mean?" experience in Ruby 124MiniTest:: A test suite with TDD, BDD, mocking and benchmarking 125Net::Telnet:: Telnet client library for Ruby 126PowerAssert:: Power Assert for Ruby. 127Rake:: Ruby build program with capabilities similar to make 128Test::Unit:: A compatibility layer for MiniTest 129XMLRPC:: Remote Procedure Call over HTTP support for Ruby 130