---
subtitle: "演示材料"
---

```{r}
#| include: false
require(drwateR)
require(rmdify)
rmdify::rmd_init()
```

```{r}
#| output: asis
data.frame(fd = dir(".", pattern = "[-_]")) |>
  dplyr::mutate(fn = purrr::map_chr(fd, ~ file.path(.x, dir(.x,
    pattern = "index.qmd|index.doc|index.pdf|index.ppt")))) |>
  dplyr::transmute(htmlstr = purrr::map_chr(fn, ~ paste0("## [", .x, "](", .x, ")\n\n",
    ifelse(!grepl("qmd$", .x), "",
    paste0("<iframe title='",
    gsub("^.*[_-]([^\\/]*)\\/.*$", "\\1", .x),
      "' width=800 height=600 src = '",
      gsub("qmd$", "html", .x),
    "'></iframe>\n\n"))))) |>
  dplyr::pull(htmlstr) |>
  paste(collapse = "") |>
  cat()
```
