Diakonos is a customizable, usable

Usability

Usability is the ease of use and learnability of a human-made object. The object of use can be a software application, website, book, tool, machine, process, or anything a human interacts with. A usability study may be conducted as a primary job function by a usability analyst or as a secondary job...

 curses

Curses (programming library)

curses is a terminal control library for Unix-like systems, enabling the construction of text user interface applications.The name is a pun on the term “cursor optimization”. It is a library of functions that manage an application's display on character-cell terminals .- Overview :The curses API...

-based (console-based, or text-based) text editor

Text editor

A text editor is a type of program used for editing plain text files.Text editors are often provided with operating systems or software development packages, and can be used to change configuration files and programming language source code....

. It was developed with the intention of being easier to configure and use than Emacs

Emacs

Emacs is a class of text editors, usually characterized by their extensibility. GNU Emacs has over 1,000 commands. It also allows the user to combine these commands into macros to automate work.Development began in the mid-1970s and continues actively...

, more powerful than Pico

Pico (text editor)

Pico is a text editor for Unix and Unix-based computer systems. It is integrated with the Pine e-mail client, which was designed by the Office of Computing and Communications at the University of Washington....

 and Nano

Nano (text editor)

nano is a text editor for Unix-like computing systems or operating environments using a command line interface. It emulates the Pico text editor, part of the Pine email client, and also provides additional functionality....

, and not as cryptic as vi

Vi

vi is a screen-oriented text editor originally created for the Unix operating system. The portable subset of the behavior of vi and programs based on it, and the ex editor language supported within these programs, is described by the Single Unix Specification and POSIX.The original code for vi...

 or ex.

Diakonos uses the common Macintosh/Windows keyboard shortcuts - Ctrl-C to copy, Ctrl-V to paste, Ctrl-O to open a file, Ctrl-S to save and so on, instead of the more idiosyncratic key combinations used by most other console-based editors.

Diakonos is a Ruby program, and hence needs Ruby installed.

Features

• scripting
  Scripting language
  A scripting language, script language, or extension language is a programming language that allows control of one or more applications. "Scripts" are distinct from the core code of the application, as they are usually written in a different language and are often created or at least modified by the...
  
   in any language
  Programming language
  A programming language is an artificial language designed to communicate instructions to a machine, particularly a computer. Programming languages can be used to create programs that control the behavior of a machine and/or to express algorithms precisely....
  
  
• macro recording and playback
• grep as you type
• multi-element clipboard
  Clipboard
  A clipboard is a thin, rigid board with a clip at the top for holding paper in place. A clipboard is typically used to support paper with one hand while writing on it with the other, especially when other writing surfaces are not available.-Other uses:...
  
  
• multi-level undo
  Undo
  Undo is a command in many computer programs. It erases the last change done to the document reverting it to an older state. In some more advanced programs such as graphic processing, undo will negate the last command done to the file being edited....
  
  
• parsed ("smart") indentation
  Indentation
  An indentation may refer to:* A notch, or deep recesses; for instance in a coastline, or a carving in rock* The placement of text farther to the right to separate it from surrounding text....
  
  
• customizable multilingual syntax highlighting
  Syntax highlighting
  Syntax highlighting is a feature of some text editors that display text—especially source code—in different colors and fonts according to the category of terms. This feature eases writing in a structured language such as a programming language or a markup language as both structures and...
  
  , with support for embedded languages (e.g. PHP
  PHP
  PHP is a general-purpose server-side scripting language originally designed for web development to produce dynamic web pages. For this purpose, PHP code is embedded into the HTML source document and interpreted by a web server with a PHP processor module, which generates the web page document...
  
  , eRuby, Javascript
  JavaScript
  JavaScript is a prototype-based scripting language that is dynamic, weakly typed and has first-class functions. It is a multi-paradigm language, supporting object-oriented, imperative, and functional programming styles....
  
  )
• bookmarking, named and unnamed
• regular expression
  Regular expression
  In computing, a regular expression provides a concise and flexible means for "matching" strings of text, such as particular characters, words, or patterns of characters. Abbreviations for "regular expression" include "regex" and "regexp"...
  
   searching
• a customizable status line
• limited ctags
  Ctags
  Ctags is a program that generates an index file of names found in source and header files of various programming languages.Depending on the language,functions,variables,class members,macros and so onmay be indexed....
  
  support