82 lines
2.9 KiB
Markdown
82 lines
2.9 KiB
Markdown
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# bed
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[](https://b612.me/apps/b612/bed/actions?query=branch:main)
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[](https://goreportcard.com/report/b612.me/apps/b612/bed)
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[](https://b612.me/apps/b612/bed/blob/main/LICENSE)
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[](https://b612.me/apps/b612/bed/releases)
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[](https://pkg.go.dev/b612.me/apps/b612/bed)
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Binary editor written in Go
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## Screenshot
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## Motivation
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I wanted to create a binary editor with Vim-like user interface, which runs in terminals, fast, and is portable.
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I have always been interested in various binary formats and I wanted to create my own editor to handle them.
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I also wanted to learn how a binary editor can handle large files and allow users to edit them interactively.
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While creating this binary editor, I leaned a lot about programming in Go language.
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I spent a lot of time writing the core logic of buffer implementation of the editor.
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It was a great learning experience for me and a lot of fun.
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## Installation
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### Homebrew
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```sh
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brew install bed
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```
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### Build from source
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```bash
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go install b612.me/apps/b612/bed/cmd/bed@latest
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```
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## Features
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- Basic byte editing
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- Large file support
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- Command line interface
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- Window splitting
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- Partial writing
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- Text searching
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- Undo and redo
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### Commands and keyboard shortcuts
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This binary editor is influenced by the Vim editor.
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- File operations
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- `:edit`, `:enew`, `:new`, `:vnew`, `:only`
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- Current working directory
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- `:cd`, `:chdir`, `:pwd`
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- Quit and save
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- `:quit`, `ZQ`, `:qall`, `:write`,
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`:wq`, `ZZ`, `:xit`, `:xall`, `:cquit`
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- Window operations
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- `:wincmd [nohjkltbpHJKL]`, `<C-w>[nohjkltbpHJKL]`
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- Cursor motions
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- `h`, `j`, `k`, `l`, `w`, `b`, `^`, `0`, `$`,
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`<C-[fb]>`, `<C-[du]>`, `<C-[ey]>`, `<C-[np]>`,
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`G`, `gg`, `:{count}`, `:{count}goto`, `:{count}%`,
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`H`, `M`, `L`, `zt`, `zz`, `z.`, `zb`, `z-`,
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`<TAB>` (toggle focus between hex and text views)
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- Mode operations
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- `i`, `I`, `a`, `A`, `v`, `r`, `R`, `<ESC>`
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- Inspect and edit
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- `gb` (binary), `gd` (decimal), `x` (delete), `X` (delete backward),
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`d` (delete selection), `y` (copy selection), `p`, `P` (paste),
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`<` (left shift), `>` (right shift), `<C-a>` (increment), `<C-x>` (decrement)
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- Undo and redo
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- `:undo`, `u`, `:redo`, `<C-r>`
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- Search
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- `/`, `?`, `n`, `N`, `<C-c>` (abort)
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## Bug Tracker
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Report bug at [Issues・itchyny/bed - GitHub](https://b612.me/apps/b612/bed/issues).
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## Author
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itchyny (<https://github.com/itchyny>)
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## License
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This software is released under the MIT License, see LICENSE.
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