---
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("\n\n"))))) |>
dplyr::pull(htmlstr) |>
paste(collapse = "") |>
cat()
```