/** 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 parts = argv.slice(1).filter((a) => a !== '--')
  if (!parts.length) {
    ctx.console.error('basename: missing operand')
    return
  }
  const path = parts[0]
  const suffix = parts[1] || ''
  let base = path.replace(/\/+$/, '')
  const slash = base.lastIndexOf('/')
  base = slash === -1 ? base : base.slice(slash + 1)
  if (!base) base = path
  if (suffix && base.endsWith(suffix) && base.length > suffix.length) {
    base = base.slice(0, -suffix.length)
  }
  ctx.console.log(base)
}