mp4-to-mp3s.js

import "@johnlindquist/kit"
/*
*  Highlight the long video we are taking clips out of in Finder
*/
let longVideoFiles = await drop()

/**
 * Tell kit we want to be working in the same directory as the source file
 */
cd(path.dirname(longVideoFiles[0].path))

for (let longVideoFile of longVideoFiles) {
  await exec(`ffmpeg -i "${longVideoFile.path}" -b:a 160k -vn "${longVideoFile.path.slice(0,-4)}.mp3"`)
}