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$ catwalk --help
🚶Soothing pastel previews for the high-spirited!

Usage: catwalk [OPTIONS] [LATTE] [FRAPPE] [MACCHIATO] [MOCHA] [COMMAND]

Commands:
  completion  Generates a completion file for the given shell
  help        Print this message or the help of the given subcommand(s)

Arguments:
  [LATTE]      Path to Latte image [default: ./latte.webp]
  [FRAPPE]     Path to Frappé image [default: ./frappe.webp]
  [MACCHIATO]  Path to Macchiato image [default: ./macchiato.webp]
  [MOCHA]      Path to Mocha image [default: ./mocha.webp]

Options:
  -o, --output <OUTPUT>        Path to output file [default: ./preview.webp]
  -l, --layout <LAYOUT>        Layout to use [default: composite] [possible values: composite, stacked, grid, row]
  -r, --radius <RADIUS>        Radius of rounded corners (percentage)
  -g, --gap <GAP>              Size of gaps between pictures for the `grid` layout
  -C, --directory <DIRECTORY>  Change to <DIRECTORY> before processing files [default: .]
      --ext <EXTENSION>        File extension to use for input files, if they're not explicitly named [default: webp] [possible values: webp, png]
  -h, --help                   Print help
  -V, --version                Print version

$ catwalk latte.webp frappe.webp macchiato.webp mocha.webp --output catwalk.webp

$ catwalk latte.png frappe.png macchiato.png mocha.png --directory ./assets/