Templating engine written in bash

gen.sh

$ cat README.md.in 
# awesome-rust-forums

Curated list of Rust forums

This, blabla

{{list}}

# Ble

bli
$ cat gen 
#!/bin/bash

# https://github.com/TomWright/dasel
# paru -S dasel

list() {
  dasel -p toml -m "$1" < forums.toml
}

get() {
  list ".$1.$2.$3"
}

readme=$(< README.md.in)

for i in $(list '.-'); do
  readme="$(sed "s/{{list}}/# $i\n\n{{list}}/" <<< $readme)"
  #echo "$readme"
  for j in $(list ".$i.-"); do
      rss=$(get $i $j rss)
      url=$(get $i $j url)

      string="[$j]($url) - [rss]($rss)\n\n"
      #echo $string
      readme="$(sed "s|{{list}}|$string{{list}}|" <<< $readme)"
done
done

readme="$(sed '/{{list}}/d' <<< $readme)"

printf '%s\n' "$readme" > README.md
$ cat forums.toml 
[general.r_rust]
platform = "reddit"
url = "https://www.reddit.com/r/rust/"
rss = "http://www.reddit.com/r/rust/.rss"

[general.t_rust]
platform = "lobsters"
url = "https://lobste.rs/t/rust"
rss = "https://lobste.rs/t/rust.rss"

[general.c_rust]
platform = "lemmy"
url = "https://lemmy.ml/c/rust"
rss = "https://lemmy.ml/feeds/c/rust.xml?sort=Active"

[gamedev.r_gamedev]
platform = "reddit"
url = "https://www.reddit.com/r/rust_gamedev/"
rss = "http://www.reddit.com/r/rust_gamedev/.rss"

[audio.rust_audio]
platform = "discourse"
url = "https://rust-audio.discourse.group/"
rss = "https://rust-audio.discourse.group/posts.rss"
rss_comments = "https://rust-audio.discourse.group/latest.rss" # ?
$ ./gen
$ cat README.md
# awesome-rust-forums

Curated list of Rust forums

This, blabla

# audio

[rust_audio](https://rust-audio.discourse.group/) - [rss](https://rust-audio.discourse.group/posts.rss)

# general

[t_rust](https://lobste.rs/t/rust) - [rss](https://lobste.rs/t/rust.rss)

[c_rust](https://lemmy.ml/c/rust) - [rss](https://lemmy.ml/feeds/c/rust.xml?sort=Active)

[r_rust](https://www.reddit.com/r/rust/) - [rss](http://www.reddit.com/r/rust/.rss)

# gamedev

[r_gamedev](https://www.reddit.com/r/rust_gamedev/) - [rss](http://www.reddit.com/r/rust_gamedev/.rss)


# Ble

bli