文档中的步骤
结构步骤(非实际执行时序)
marqdo
Filesystem helpers from lib/fs. Bare path words must not contain / (division). Prefer a same-folder name or a variable.
--- markup: occlusion title: lib/fs — files description: Read and write text under the sandbox import: fs: lib/fs.mq.md --- # main Filesystem helpers from lib/fs. Bare path words must not contain `/` (division). Prefer a same-folder name or a variable. **`ok` = [fs.exists] path="demo.txt"** 1. `ok` **打印 内容="demo-present"** 2. * **打印 内容="demo-missing"**