the minimalistest text editor
Weighing in at about half the memory footprint of ed, e is the most minimalist text editor I am aware of. This is achieved through its ridiculously minimalist feature set. e has no output, and only takes four commands: save (ctrl+d), close (ctrl+f), seek left (ctrl+j), and seek right (ctrl+k). Rather than taking a file name as an argument (e has no arguments) e writes to stdout, so to edit a file you must direct e to it using the shell > operator. Part of my goal in writing e was to distil the concept of a text editor down to its bare minimum, where removing any functionality would change the fundamental nature of the software. Because of the heavy reliance on UNIX system APIs, e will only compile and run on UNIX and UNIX-like systems.
make
e > filename.ext
Copyright (C) 2012-2013 Peter Sussman
This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with this program. If not, see http://www.gnu.org/licenses/.