docs.sheetjs.com/tests/cli/txiki.sh

#!/bin/bash
# https://docs.sheetjs.com/docs/demos/cli/txiki
cd /tmp
rm -rf sheetjs-txiki
mkdir sheetjs-txiki
cd sheetjs-txiki

curl -o pres.numbers https://docs.sheetjs.com/pres.numbers

cat >sheet2csv.js <<'EOF'
const XLSX = require("./xlsx.full.min");

/* tjs.args[1] is the first argument to the script */
const filename = tjs.args[1];

/* read and parse file */
const data = await tjs.readFile(filename);
const wb = XLSX.read(data);

/* generate CSV of first sheet */
const ws = wb.Sheets[wb.SheetNames[0]];
const csv = XLSX.utils.sheet_to_csv(ws);

/* print to terminal */
console.log(csv);
EOF

curl -LO https://cdn.sheetjs.com/xlsx-latest/package/dist/xlsx.full.min.js

OS="$(uname -s)"

case "$OS" in
  Darwin)
    curl -LO https://github.com/saghul/txiki.js/releases/download/v24.12.0/txiki-macos.zip
    unzip txiki-macos.zip
    mv txiki-macos/tjs .
    chmod +x tjs
    ;;

  Linux)
    echo "Installing txiki.js for Linux"
    git clone --recursive https://github.com/saghul/txiki.js --shallow-submodules
    cd txiki.js

    make || (
      echo "!!! First build attempt failed, trying with system libffi..."
      rm -rf build
      cmake -B build -DCMAKE_BUILD_TYPE=Release -DUSE_EXTERNAL_FFI=ON
      cmake --build build -j 8
    )

    cp build/tjs ../
    cd ..
    ;;

  *) echo "Unsupported OS: $OS"; exit 1 ;;
esac

npx -y esbuild sheet2csv.js --bundle --outfile=bundle.js --platform=neutral

./tjs compile bundle.js sheet2csv
./sheet2csv pres.numbers