/** Shared helpers for drive-resident /bin scripts (prepended before each command). */
function bareStdin(ctx) {
  return typeof ctx.shellStdin === 'string' ? ctx.shellStdin : ''
}

async function run(ctx, argv) {
  const vfs = ctx.vfs
  const files = argv.slice(1)
  if (!files.length) {
    const s = bareStdin(ctx)
    ctx.console.log(s)
    return
  }
  for (const f of files) {
    const buf = await vfs.readFile(f)
    if (!buf) {
      ctx.console.error('cat: ' + f + ': No such file or directory')
      continue
    }
    ctx.console.log(ctx.b4a.toString(buf))
  }
}