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# Joe's Own Editor
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[User manual](https://sourceforge.net/p/joe-editor/mercurial/ci/default/tree/docs/man.md)
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[Release Notes](https://sourceforge.net/p/joe-editor/mercurial/ci/default/tree/NEWS.md)
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[List of Commands](https://sourceforge.net/p/joe-editor/mercurial/ci/default/tree/docs/man.md#list)
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[List of Options](https://sourceforge.net/p/joe-editor/mercurial/ci/default/tree/docs/man.md#options)
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[JOE for Windows tips](https://sourceforge.net/p/joe-editor/mercurial/ci/windows/tree/docs/windows.md)
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[Hacking](https://sourceforge.net/p/joe-editor/mercurial/ci/default/tree/docs/hacking.md)
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[Project page](http://www.sourceforge.net/projects/joe-editor)
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[Download source](https://sourceforge.net/projects/joe-editor/files/)
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[Build instructions](https://sourceforge.net/p/joe-editor/mercurial/ci/default/tree/INSTALL.md)
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[History](https://sourceforge.net/p/joe-editor/mercurial/ci/default/tree/docs/history.md)
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<p></p>
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<p>JOE is a full featured terminal-based screen editor which is distributed
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under the GNU General Public License (GPL). JOE has been around since 1988
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and comes standard with many Linux distributions.</p>
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<p>JOE is being maintained by its original author Joseph Allen, plus all of
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the people who send bug reports, feature suggestions and patches to the
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project web site. JOE is hosted by SourceForge.net and its source code is
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controlled under Mercurial.</p>
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<p>JOE is a blending of MicroPro's venerable microcomputer word processor
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WordStar and Richard Stallman's famous LISP based text editor GNU-EMACS (but
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it does not use code from either program): most of the basic editing keys
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are the same as in WordStar as is the overall feel of the editor. JOE also
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has some of the key bindings and many of the powerful features of EMACS.</p>
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<p>JOE is written in C and its only dependency is libc. This makes JOE very
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easy to build (just "configure" and "make install"), making it feasible to
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include on small systems and recovery disks. The compiled binary is about
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300K in x86. Note that JOE can use either the termcap or terminfo terminal
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capabilities databases (or a built-in termcap entry for ANSI terminals). The
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choice is controlled by a "configure" option. If terminfo is used, a
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library is required to access the database (on some systems this library is
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ncurses, but JOE does not use curses to control the terminal- it has its own
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code for this).</p>
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<p>Much of the look and feel of JOE is determined by its simple
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configuration file "joerc". Several variants of the editor are installed by
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default in addition to "joe": "jmacs" (emulate GNU-EMACS), "jstar" emulate
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WordStar, "jpico" emulate the Pine mailer editor PICO and "rjoe"- a
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restricted version of JOE which allows the used to only edit the file given
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on the command line. JOE is linked to several names. The name which is
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used to invoke the editor with "rc" tacked on the end gives the name of
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configuration file to use. It is thus easy for you to make your own variant
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if you want. Also you can customize the editor by copying the system
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"joerc" file to your home directory.</p>
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<p>Here is a basic screen shot of JOE running in a Cygwin console:</p>
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<p>Here is a screen shot showing several windows- the first has some example
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double-wide characters, the second is the same buffer as the first, but in
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hex-dump view mode, the third is a shell window and the fourth shows a
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selected rectangular block of numbers and their sum:</p>
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### JOE has the following features:
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* Multi-file search and replace- file list is either given on command line or by a UNIX command (grep/find) run from within JOE.
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* Mouse support, including wheel (works best when using xterm). The mouse can resize windows, scroll windows, select and paste text, and select menu entries.
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* Context display on status line: allows you to see name of function cursor is in.
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* UTF-8 support, optional auto-detect of UTF-8 files.
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* Syntax highlighting for more than 40 languages.
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* Hexadecimal edit mode. Use JOE as a disk editor: joe -overwrite -hex /dev/hda1,0,512 (edit first sector of /dev/hda1).
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* Non-destructive editing of binary files even when handling MS-DOS or UNIX line endings.
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* Swap file allows editing files larger than memory.
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* Context sensitive on-line help.
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* Bash-like TAB completion and history for all prompts, or jump into the
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completion menu and use it to traverse the file system.
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* Complete word in edit buffer by hitting ESC Enter (uses other words in
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buffer for dictionary).
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* EMACS-compatible file locks and file modification checking.
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* Shell windows.
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* Multiple-windows onto same or different files.
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* Compile and step through errors or Grep and step through finds.
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* Goto matching character delimiter "() [] {} <>" which skips comments and
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quoted matter.
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* Goto matching word delimiter, including XML tags and C preprocessor
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directives.
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* Ctrl-arrow key block selection.
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* Search and replace system, including regular expression and optional
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incremental search. Regular expression key for matching balanced C
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expressions.
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* Tags file search (tab completion at tags search prompt uses tags file as
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database).
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* Spell check commands which invoke aspell or ispell. Language for aspell
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can be passed through editor.
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* Paragraph format which preserves news/mail quoting indentation
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characters.
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* Unlimited Undo and Redo.
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* Yank buffer allows stepping through and insertion of previously deleted
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text.
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* State file restores history buffers, yank buffer and last file cursor
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positions.
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* Cursor position history allows you to step through previously visited areas
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of a file.
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* Multiple interactive keyboard macros. Macros can be assigned to key
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sequences in joerc file.
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* Block move/copy/delete/filter.
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* Rectangle (columnar) block mode- search and replace can be narrowed to
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the rectangular block. Rectangular blocks can be filtered through UNIX
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commands.
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* Overtype/Insert modes.
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* Indent/Unindent (shift block left or right).
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* Auto-indent mode.
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* Picture mode for ASCII graphics.
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* Line number mode displays line number of each line.
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* Powerful scientific calculator with block statistics functions (sum/standard-deviation/count highlighted block of numbers).
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* Termcap/Terminfo support allows JOE to use any terminal or terminal emulator.
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* Can accept data from a pipe, for example: ls | joe
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<p>JOE does not have these features (yet):</p>
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<ul>
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<li>Vertical windows</li>
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<li>Folding</li>
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<li>Right to left editing for Hebrew and Arabic</li>
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<li>Direct editing of 16-bit character sets such as UCS-16 and BIG5</li>
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<li>All encompassing macro language like elisp in GNU-EMACS</li>
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<li>Background spell checking, like Microsoft WORD</li>
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<li>Highlight all matching words</li>
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<li>Automatic unzip/untar</li>
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<li>Built-in FTP</li>
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<li>X-Window version (use inside a terminal emulator)</li>
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<li>Interface to debugger</li>
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</ul>
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<p>Here are some other editors to consider:</p>
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<a href="http://www.gnu.org/software/emacs">http://www.gnu.org/software/emacs</a>
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Richard Stallman's powerful LISP-based editor.
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<a href="http://www.jedsoft.org/jed">http://www.jedsoft.org/jed</a> John E.
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Davis' version of EMACS using the S-Lang language.
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<a href="http://www.jasspa.com">http://www.jasspa.com</a> Micro Emacs
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<a href="http://www.vile.cx">http://www.vile.cx</a> Paul Fox's vi clone
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(built on top of Micro Emacs). Now maintained by Tom Dickey and others.
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<a href="http://www.nano-editor.org">http://www.nano-editor.org</a> An open
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source PICO clone.
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<a
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href="http://www.washington.edu/pine/faq/whatis.html">http://www.washington.edu.pine/faq/whatis.html</a>
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PICO: A simple editor built on Micro Emacs.
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<a href="http://www.vim.org">http://www.vim.org</a> Bram Moolenaar's vi
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clone</a>
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<a href="http://elvis.the-little-red-haired-girl.org/whatiselvis/index.html">
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http://elvis.the-little-red-haired-girl.org</a> Elvis: A
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small vi clone
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<a href="http://www.jedit.org">http://www.jedit.org</a> Powerful editor
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written in Java
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<a href="http://www.nedit.org">http://www.nedit.org</a> X-Windowing System
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editor
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<a href="http://www.ibiblio.org/mc">http://www.ibiblio.org/mc</a> Midnight
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Commander file manager with built-in text editor with highlighting. Can
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browse ZIP and TAR files.
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<br>
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<a href="http://www.cs.yorku.ca/~oz/wily">http://www.cs.yorku.ca/~oz/wily</a> A
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UNIX/X clone of Rob Pike's Plan9 editor ACME. Originally written by Gary
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Capell, but now maintained by Ozan Yigit. This is an interesting minimalist
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IDE.
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<a
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href="http://www.eclipse.org/downloads">http://www.eclipse.org/downloads</a>
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Huge IDE written in Java. Performs same function as Wily, but is literally
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1300 times larger.
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<a href="ftp://netlib.bell-labs.com/netlib/research/sam.shar.gz">ftp://netlib.bell-labs.com/netlib/research/sam.shar.gz</a>
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UNIX/X port of Rob Pike's Plan9 editor SAM. This interesting editor
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supports multi-file regular expression search & replace with unlimited
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undo.
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<a href="http://sed.sourceforge.net">http://sed.sourceforge.net</a>
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UNIX Stream EDitor. If you're on UNIX, you already have this editor, but follow
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this link to see the amazing things that can be done with it.
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