edo

Go clone of ed(1), the classic Unix line editor

Usage

Basic Operation

# Start with empty buffer
edo

# Edit a file
edo filename.txt

# Start with custom prompt
edo -p "* "

Command Line Flags

• -p string: Set custom prompt (default "*")
• -v: Display version information and exit

Example Session

$ edo
*a
hello world
line two
.
*w file.txt
2
*q

Please make sure to update tests as appropriate.

TODO

• print buffer size on load
• don't show prompt when appending/inserting
• support basic error messages
• enable showing error messages with H similar to P
• Line ranges (e.g., 1,5p)
• Search commands (/pattern/)
• Substitute command (s/old/new/)
• Copy/move lines
• Undo functionality