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A minimal text editor written in C

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A minimal text editor

This is a minialistic text editor inspired by, and somewhat similar to, an extremely stripped-down v

NOTE: There is NO UNDO in this editor. Use 'L' to reload the file from disk.

There are 4 modes in the editor:

  • NORMAL
  • INSERT
  • REPLACE
  • COMMAND

These control keys are active in all modes:

Key Action
[ctrl]+h Left 1 char (Delete if in INSERT mode)
[ctrl]+j Down 1 line
[ctrl]+k Up 1 line
[ctrl]+l Right 1 char
[tab] Right 8 chars
[ctrl]+i Right 8 chars
[ctrl]+e Scroll down 1 line
[ctrl]+y Scroll up 1 line
[ctrl]+d Scroll down 1/2 screen
[ctrl]+u Scroll up 1/2 screen
[ctrl]+x Delete the char to the left of the cursor
[ctrl]+z Delete the char under the cursor
[escape] Change to NORMAL mode

NORMAL mode

NORMAL mode is similar to VI:

Key Action
h Left 1 char
j Down 1 line
k Up 1 line
l Right 1 char
_ Goto the beginning of the line
$ Goto the end of the line
[SP] Right 1 char
[CR] Goto the beginning of the next line
a Append: move right 1 char and change to INSERT mode
A Append: goto the end of the line and change to INSERT mode
c Change: Delete the current char and change to INSERT mode (same as 'xi')
C Change: Delete to the end of the line and change to INSERT mode (same as 'd$A')
dd Copy the current line into the YANK buffer and delete the line
d. Delete the char under the cursor (same as 'x')
dw Delete the cto the end of the word
d$ Delete to the end of the line
D Delete to the end of the line (same as 'd$')
g Goto the top-left of the screen
G Goto the bottom-left of the screen
i Insert: change to INSERT mode
I Insert: goto the beginning of the line and change to INSERT mode
J Join the current and next lines together
L reLoad: discard all changes and reload the current block
o Insert an empty line BELOW the current line and change to INSERT mode
O Insert an empty line ABOVE the current line and change to INSERT mode
p Paste the YANK buffer into a new line BELOW the current line
P Paste the YANK buffer into a new line ABOVE the current line
r Replace the char under the cursor with the next key pressed (if printable)
R Change to REPLACE mode
x Delete the char under the cursor
X Delete the char to the left of the cursor
Y Copy the current line into the YANK buffer
: Change to COMMAND mode

INSERT mode

In INSERT mode, all printable characters are inserted into the block.

Carriage-Return inserts a new line.

REPLACE mode

In REPLACE mode, all printable characters are placed into the block.

Carriage-Return moves the cursor to the beginning of the next line.

COMMAND mode

COMMAND mode is invoked when pressing ':' in NORMAL mode.

Command Action
w Write the current block if it has changed
w! Write the current block, even if it has NOT changed
q Quit, if the current block has NOT changed
q! Quit, even if the current block has changed
wq Write the current block and quit (same as ':w' ':q')

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A minimal text editor written in C

License:MIT License


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