const shella = require('shella');

(async () => {
  // async by default
  await shella`
    echo abcde | sed -e 's/bcd/!!!/' > ./result.txt
    grep a ./result.txt`;

  // interporation (shell-escaped)
  const msg = `Bob's pen`;
  await shella`echo ${msg}`;
})();

// sync
shella.sync`echo foo`;

// with execa options
const {stdout, stderr} = await shella({stdio: 'pipe'})`echo foo`;
console.log(stdout);

// sync with execa options
shella.sync({stdio: 'pipe'})`echo foo`;