Convert BizHawk Lua functions to compatible luacheckrc format

#!/bin/bash

set -eEu

# Generate luacheckrc from BizHawk homepage

# Format is roughly
# </li></ul><div class="p"><b>movie.getrerecordcount</b><br />
# But there are some sentences as well, so make sure that no whitespace ("\S") is there and that there is a dot "\."
lua_functions="$(curl https://tasvideos.org/Bizhawk/LuaFunctions | grep -o "<div class=\"p\"><b>\S\+\.\S\+</b>" | sed 's,.*<b>\(.*\)</b>,\1,')"

echo "read_globals = {"

for object in $(awk -F. '{ print $1 }' <<< "${lua_functions}" | sort | uniq); do
    echo "    ${object} = {"
    echo "      fields = {"
    grep "${object}" <<< "${lua_functions}" | awk -F. '{ print $2 }' | sort | uniq | while IFS= read -r field
    do
        echo "            ${field} = {},"
    done
    echo "        },"
    echo "    },"
done
echo "}"