https://github.com/eckertalex/edgo

edgo - A minimal implementation of the classic Unix line editor ed written in Go.
https://github.com/eckertalex/edgo

clone ed editor go unix

Last synced: 8 days ago
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edgo - A minimal implementation of the classic Unix line editor ed written in Go.

• Host: GitHub
• URL: https://github.com/eckertalex/edgo
• Owner: eckertalex
• Created: 2024-11-10T23:21:22.000Z (3 months ago)
• Default Branch: main
• Last Pushed: 2024-11-14T22:43:52.000Z (3 months ago)
• Last Synced: 2024-12-02T11:19:47.179Z (2 months ago)
• Topics: clone, ed, editor, go, unix
• Language: Go
• Homepage:
• Size: 7.81 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# edgo

A minimal implementation of the classic Unix line editor `ed` written in Go.

## Usage

### Basic Operation

```bash

# Start with empty buffer

edgo

# Edit a file

edgo filename.txt

# Start with custom prompt

edgo -p "* "

```

### Command Line Flags

- `-p string`: Set custom prompt (default "\*")

- `-v`: Display version information and exit

### Example Session

```

$ edgo

*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