boundbook - A Rust port of libbbf with some extras

Follows the Bound Book Format specification (v3)

Features I've added so far:

• A CBZ-to-BBF converter
• An in-terminal book reader

Installing the CLI

To install the boundbook CLI, run:

cargo install boundbook -F cli

Without the cli feature flag, the boundbook binary will do nothing.

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Command-Line Help for boundbook

This document contains the help content for the boundbook command-line program.

Command Overview:

• boundbook↴
• boundbook docs↴
• boundbook create↴
• boundbook info↴
• boundbook verify↴
• boundbook extract↴
• boundbook from-cbz↴
• boundbook read↴
• boundbook complete↴

boundbook

BBF CLI

Usage: boundbook <COMMAND>

Subcommands:

• docs — Print help
• create — Create a BBF file from images
• info — Display BBF file information
• verify — Verify BBF file integrity
• extract — Extract pages from a BBF file
• from-cbz — Convert CBZ archive to BBF format
• read — Read a BBF file in the terminal
• complete — Generate CLI completions

boundbook docs

Print help

Usage: boundbook docs

boundbook create

Create a BBF file from images

Usage: boundbook create [OPTIONS] --output <OUTPUT> <INPUTS>...

Arguments:

• <INPUTS> — Input files or directories containing images

Options:

• -o, --output <OUTPUT> — Output BBF file path

• -O, --order <ORDER> — Page order file (format: filename:index)

• -S, --sections <SECTIONS> — Sections file (format: Name:Target[:Parent])

• -s, --section <ADD_SECTIONS> — Add section markers (format: Name:Target[:Parent])

• -m, --meta <METADATA> — Add metadata (format: Key:Value[:Parent])

• -a, --alignment <ALIGNMENT> — Byte alignment exponent (default: 12 = 4096 bytes)

  Default value: 12

• -r, --ream-size <REAM_SIZE> — Ream size exponent (default: 16 = 65536 bytes)

  Default value: 16

• -v, --variable-ream-size — Enable variable ream size for smaller files

• -d, --auto-detect-sections — Auto-detect subdirectories with images and create sections from directory names

boundbook info

Display BBF file information

Usage: boundbook info <INPUT>

Arguments:

• <INPUT>

boundbook verify

Verify BBF file integrity

Usage: boundbook verify [OPTIONS] <INPUT>

Arguments:

• <INPUT> — BBF file to verify

Options:

• --index-only — Verify only the index hash (faster)
• --asset <ASSET> — Verify a specific asset by index

boundbook extract

Extract pages from a BBF file

Usage: boundbook extract [OPTIONS] <INPUT>

Arguments:

• <INPUT> — BBF file to extract from

Options:

• -o, --output <OUTPUT> — Output directory for extracted pages

  Default value: ./extracted

• --section <SECTION> — Extract only pages from a specific section

• --until <UNTIL> — Stop extraction when reaching a section matching this string

• --range <RANGE> — Extract a specific page range (e.g., 1-10 or 5)

boundbook from-cbz

Convert CBZ archive to BBF format

Usage: boundbook from-cbz [OPTIONS] --output <OUTPUT> <INPUT>

Arguments:

• <INPUT> — Input CBZ file or directory containing CBZ files

Options:

• -o, --output <OUTPUT> — Output BBF file
• -m, --meta <METADATA> — Add metadata (format: Key:Value[:Parent])
• -k, --keep-temp — Keep temporary files for debugging
• -d, --directory-mode — Process directory of CBZ files as chapters

boundbook read

Read a BBF file in the terminal

Usage: boundbook read [OPTIONS] <INPUT>

Arguments:

• <INPUT> — BBF file to read

Options:

• -P, --prerender — Pre-render all pages before reading (uses more memory but smoother navigation)

• -W, --max-width <PIXELS> — Maximum width in pixels (aspect ratio preserved)

• -H, --max-height <PIXELS> — Maximum height in pixels (aspect ratio preserved)

• --max-cols <COLS> — Maximum width in terminal columns (overrides max-width if set)

• --max-rows <ROWS> — Maximum height in terminal rows (overrides max-height if set)

• -f, --filter <FILTER> — Image scaling filter quality

  Default value: lanczos3

  Possible values: nearest, triangle, catmull-rom, gaussian, lanczos3

• -g, --enable-gif-animation — Enable GIF animation playback

  Default value: true

• --gif-speed <MULTIPLIER> — GIF animation frame delay multiplier (1.0 = normal speed)

  Default value: 1.0

• -l, --gif-loop — Loop GIFs infinitely

  Default value: true

• -i, --gif-interpolate <COUNT> — Number of interpolated frames to generate between each GIF frame (0 = disabled)

  Default value: 0

• -m, --interpolation-method <INTERPOLATION_METHOD> — Frame interpolation algorithm

  Default value: blend

  Possible values:

  • blend: Simple linear blending (fastest)
  • smooth: Weighted blending with ease-in/ease-out
  • cosine: Cosine interpolation for smoother transitions
  • cubic: Cubic hermite spline interpolation
  • perlin: Perlin smoothstep (quintic hermite)
  • exponential: Exponential ease-in-out
  • optical-flow-sparse: Optical flow based (Lucas-Kanade sparse)
  • motion-compensated: Motion-compensated blending (simplified Horn-Schunck)
  • catmull-rom: Catmull-Rom spline (requires 4 frames, falls back to cubic)

• --sidebar-width <SIDEBAR_WIDTH> — Sidebar width in columns

  Default value: 30

• --slideshow-delay <SECONDS> — Slideshow auto-advance delay in seconds

  Default value: 5.0

boundbook complete

Generate CLI completions

Usage: boundbook complete <SHELL>

Arguments:

• <SHELL>

  Possible values: bash, elvish, fish, power-shell, zsh, nushell, clink, fig

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