Sumit Kumar - Projects

I wanted a shell that didn't make me leave the terminal to browse files, look at an image, watch a video, or check on a runaway process — so I built one. mybash is a full interactive shell written in Python, with real bash-compatible parsing (pipelines, redirections, command substitution, globbing, here-docs, background jobs) underneath a set of built-in TUI applications that all run inline, in any terminal.

The TUI apps aren't gimmicks — they're the actual point:

• fb — a ranger-style 3-pane file browser with vim-style keybindings, bookmarks, and copy/cut/paste
• iv — an image viewer that renders through Kitty's image protocol, Sixel, chafa, or falls back to ASCII art depending on what your terminal supports
• vp — a video player that suspends the TUI and hands off to mpv/ffplay, with a real playlist, loop, and shuffle
• pm — an htop-style process manager (sort by CPU/MEM/PID, kill or renice from the UI)
• gv — a git log/diff/status viewer with commit search and stage/unstage from the status view
• ed — a text editor with syntax highlighting, multi-tab support, and find/replace

On top of that: 51 built-in shell commands, tab completion that's aware of git subcommands and common CLI flags, a smart prompt that turns red on failure and shows elapsed time for slow commands, persistent aliases and history, and an actual plugin system — drop a Python file subclassing CommandPlugin into ~/.mybash/plugins/ and it's live on next launch. Five built-in themes (Dracula-inspired default, Nord, Monokai, Solarized, Gruvbox), each just a TOML file, so adding your own is copy-paste-and-edit rather than writing code.

It's uv-packaged (uv pip install -e ".[dev]"), has an actual test suite (pytest), and ships a standalone launcher script so it can be bound to a .desktop file and opened like any other application rather than requiring you to already be in a terminal.