Bafishka

Bafishka - Fish Shell + Clojure File Operations

🐟 Rust-native Fish shell-friendly file operations with Steel-backed SCI Clojure evaluation.

Repository

• Source: https://github.com/bmorphism/bafishka
• Language: Clojure (SCI) + Rust
• Seed: 1069 (deterministic)

Core Concept

Bafishka bridges Fish shell ergonomics with Clojure's data processing power:

# Fish shell with Clojure evaluation
baf '(map inc [1 2 3])'  # => [2 3 4]

# File operations with Clojure
baf '(fs/glob "**/*.clj" | count)'  # => 42

Architecture

┌────────────────────────────────────────────────────┐
│                    Bafishka                        │
├────────────────────────────────────────────────────┤
│  ┌──────────┐   ┌──────────┐   ┌──────────────┐   │
│  │  Fish    │   │  Steel   │   │  SCI         │   │
│  │  Shell   │──▶│  (Rust)  │──▶│  (Clojure)   │   │
│  └──────────┘   └──────────┘   └──────────────┘   │
│       │              │               │             │
│       ▼              ▼               ▼             │
│   Readline       File I/O        Data Xform       │
└────────────────────────────────────────────────────┘

Key Features

Steel Backend

Steel is a Rust Scheme implementation providing:

• Fast native execution
• Seamless Rust FFI
• Async I/O support

SCI Clojure

Small Clojure Interpreter for:

• Full Clojure core library
• REPL evaluation
• Babashka compatibility

Usage Examples

# List files with Clojure processing
baf '(->> (fs/list-dir ".")
         (filter #(str/ends-with? % ".md"))
         (map fs/file-name))'

# JSON processing
baf '(-> (slurp "data.json")
         json/parse-string
         :items
         count)'

# With deterministic seed (1069)
baf '(gay/color 1069)'  # Deterministic color

Integration with plurigrid/asi

With gay-mcp

;; File operations with color coding
(defn colored-ls [dir]
  (->> (fs/list-dir dir)
       (map (fn [f] 
              {:file f 
               :color (gay/color (hash f))}))))

With duckdb-ies

;; Query DuckDB from bafishka
(baf '(duck/query "SELECT * FROM files WHERE mtime > now() - interval 1 hour"))

Configuration

# ~/.config/fish/conf.d/bafishka.fish
set -gx BAF_SEED 1069
set -gx BAF_HISTORY ~/.baf_history
alias baf 'bafishka eval'

Related Skills

• gay-mcp - Deterministic colors
• duckdb-ies - Database integration
• polyglot-spi - Multi-language SPI
• abductive-repl - REPL patterns

Scientific Skill Interleaving

This skill connects to the K-Dense-AI/claude-scientific-skills ecosystem:

Graph Theory

• networkx [○] via bicomodule
  • Universal graph hub

Bibliography References

• general: 734 citations in bib.duckdb

Cat# Integration

This skill maps to Cat# = Comod(P) as a bicomodule in the equipment structure:

Trit: 0 (ERGODIC)
Home: Prof
Poly Op: ⊗
Kan Role: Adj
Color: #26D826

GF(3) Naturality

The skill participates in triads satisfying:

(-1) + (0) + (+1) ≡ 0 (mod 3)

This ensures compositional coherence in the Cat# equipment structure.

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