create bash script for easily running the lua code

.luarc.json

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+{
+  "workspace": {
+    "library": [
+      "types"
+    ]
+  }
+}

luago

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+#!/usr/bin/env bash
+
+lua /home/murat/Projects/luago/luago.lua

luago.lua

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+local lfs = require("lfs")
+
+-- list of markdown files in working directory
+local markdownFiles = {}
+
+local haveIndexmd = false
+local haveIndexhtml = false
+-- amount of markdown files in working directory
+local markdownFileCount = 0
+local currentDir = lfs.currentdir()
+for file in lfs.dir(currentDir) do
+    -- ignore "." and ".." files
+    if not(file:sub(1,2) == ".." or file:sub(1,1) == '.') then
+        local filePath = currentDir .. '/' .. file
+        -- match file names ending with ".md"
+        if file:match("index.md") then haveIndexmd = true end
+        if file:match("index.html") then haveIndexhtml = true end
+        if file:match("%.md$") then
+            markdownFileCount = markdownFileCount + 1
+            markdownFiles[markdownFileCount] = {
+                options = {},
+                filePath = filePath,
+                fileName = file:sub(1, file:len()-3),
+                content = ""
+            }
+        end
+    end
+end
+
+-- stop the program if "index.html" or "index.md" doesn't exist
+if (not(haveIndexhtml) and not(haveIndexmd)) then return print("Can't find index.html or index.md!") end
+
+-- check for options section on every markdown file
+for index, file in ipairs(markdownFiles) do
+    local f = io.open(file.filePath, 'r')
+    if f then
+        local content = f:read("*all")
+        f:close()
+        if content:sub(1,4) ~= "---\n" then
+            return print(file.filePath .. " file doesn't have a options section!")
+        end
+        local fileOptions = content:sub(5, content:len())
+        if fileOptions:find("---") then
+            fileOptions = fileOptions:sub(1, fileOptions:find("---\n")-1)
+            local lines = {}
+            local lineCount = 0
+            while fileOptions:find("\n") do
+                lineCount = lineCount + 1
+                lines[lineCount] = fileOptions:sub(1, fileOptions:find("\n"))
+                fileOptions = fileOptions:sub(fileOptions:find("\n")+1, fileOptions:len())
+            end
+
+            for i, value in ipairs(lines) do
+                if value:sub(value:len(), value:len()) == "\n" then
+                    value = value:sub(1, value:find("\n")-1)
+                end
+                markdownFiles[index].options[i] = value
+            end
+        else
+            return print(file.filePath .. " file doesn't have a options section!")
+        end
+    else
+        print("can't read the file " .. file.filePath)
+    end
+end
+
+for index, value in ipairs(markdownFiles) do
+    -- print file path with index
+    print(index .. ': ' .. markdownFiles[index].filePath)
+    local f = io.open(markdownFiles[index].filePath, 'r')
+    if f then
+        local content = f:read("*all")
+        f:close()
+        -- print file content
+        print(content)
+        -- print file options
+        print("--- OPTIONS ---")
+        for i, value in ipairs(markdownFiles[index].options) do
+            print(markdownFiles[index].options[i])
+        end
+        print("---------------")
+    else
+        print("can't read the file " .. markdownFiles[index].filePath)
+    end
+end
+
+-- get index.html content
+local indexFile = io.open("index.html"):read("*all")
+
+-- remove and create "public/" directory
+lfs.rmdir("public")
+lfs.mkdir("public")
+
+for index, value in ipairs(markdownFiles) do
+    local workDir = lfs.currentdir()
+    -- create html file for that md file
+    local htmlFile = io.open(workDir .. "/public/" .. markdownFiles[index].fileName .. ".html", 'w')
+    if htmlFile then
+        local content = indexFile
+        -- replace <!-- sitecontents --> with markdown file content
+
+        htmlFile:write(content)
+        htmlFile:close()
+    else
+        print("Error: Cannot create html file for " .. markdownFiles[index].filePath)
+    end
+end
+

types/lfs.lua

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+---@meta
+---@class lfs
+local lfs = {}
+
+---@param filepath string
+---@param aname? string|table
+---@return table|string|nil result
+---@return string? error_msg
+function lfs.attributes(filepath, aname) end
+
+---@param path string
+---@return boolean success
+---@return string? error_msg
+function lfs.chdir(path) end
+
+---@return string path
+function lfs.currentdir() end
+
+---@param path string
+---@return fun():string iter
+---@return table dir_obj
+function lfs.dir(path) end
+
+---@param dirname string
+---@return boolean success
+---@return string? error_msg
+function lfs.mkdir(dirname) end
+
+---@param dirname string
+---@return boolean success
+---@return string? error_msg
+function lfs.rmdir(dirname) end
+
+---@param filepath string
+---@param atime? number
+---@param mtime? number
+---@return boolean success
+---@return string? error_msg
+function lfs.touch(filepath, atime, mtime) end
+
+return lfs