/** 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 files = argv.slice(1).filter((a) => !a.startsWith('-'))
  if (!files.length) {
    ctx.console.error('touch: missing file operand')
    ctx.exitCode = 1
    return
  }
  for (const f of files) {
    try {
      const existing = await ctx.vfs.readFile(f)
      await ctx.vfs.writeFile(f, existing || ctx.b4a.from(''))
    } catch (e) {
      ctx.console.error('touch: ' + f + ': ' + (e.message || e))
      ctx.exitCode = 1
    }
  }
}