Colt

A vi text editor written in Pony.

Building

Requires ponyc (tested with 0.63.0).

ponyc -o . --linker=cc

Usage

./Colt [filename]

Features

Modes

• Normal -- default mode for navigation and commands
• Insert -- text entry (i, a, o, etc.)
• Command -- ex commands via :
• Search -- find text via / or ?

Keybindings

Movement

Key	Action
h j k l	Left, down, up, right
Arrow keys	Directional movement
w b e	Word forward, backward, end
0 $ ^	Line start, end, first non-blank
gg G	File start, end
H M L	Screen top, middle, bottom
Ctrl-F Ctrl-B	Page down, up
Ctrl-D Ctrl-U	Half-page down, up

Editing

Key	Action
i I a A	Insert before/at start/after/at end
o O	Open line below/above
x X	Delete char at/before cursor
dd	Delete line
D	Delete to end of line
C	Change to end of line
J	Join lines
r	Replace single character
~	Toggle case
yy	Yank line
p P	Paste after/before
u	Undo (up to 200 levels)

Search

Key	Action
/pattern	Search forward
?pattern	Search backward
n N	Next/previous match

Commands

Command	Action
:w	Save
:q	Quit
:wq :x	Save and quit
:q!	Force quit
:w filename	Save as
:e filename	Open file
:123	Go to line 123
ZZ	Save and quit
ZQ	Quit without saving

All movement commands accept numeric prefixes (e.g. 5j moves down 5 lines).