slightly better copyright warning notice

README.md

@@ -37,6 +37,9 @@ will be used to make multiple ebooks back-to-back.
                        directories.
             cleanall:  Deletes everything except the config file and ePub.
 
+[flag]: If "--continue" is passed, script will continue with the default order
+          of actions from the action specified.
+
 Requirements:
 - Binaries:      pandoc, curl
 ```

make-epub.lua

@@ -2,7 +2,7 @@
 
 local help = [[Usage:
 
-  make-epub.lua <config (JSON file)> [action]
+  make-epub.lua <config (JSON file)> [action] [flag]
 
 If "." is used instead of a JSON file, every JSON file in the current directory
 will be used to make multiple ebooks back-to-back.
@@ -18,6 +18,9 @@ will be used to make multiple ebooks back-to-back.
                        directories.
             cleanall:  Deletes everything except the config file and ePub.
 
+[flag]: If "--continue" is passed, script will continue with the default order
+          of actions from the action specified.
+
 Requirements:
 - Binaries:      pandoc, curl
 
@@ -34,7 +37,7 @@ if not success then
 end
 
 local path_separator = utility.path_separator
-local copyright_warning = "This ebook was created by an automated tool for personal use. It cannot be distributed or sold without permission of copyright holder(s). (If you did not make this ebook, you may be infringing.)\n\n"
+local copyright_warning = "This ebook was created by an automated tool for personal use. It cannot be distributed or sold without permission of its copyright holder(s). (If you did not make this ebook, you may be infringing.)\n\n"
 
 -- also checks for errors TODO make it check for ALL required elements and error if any are missing!
 local function load_config(config_file_text)
@@ -60,6 +63,10 @@ local function load_config(config_file_text)
     config.base_url = config.first_section_url -- prevent errors due to required item being missing
   end
 
+  if not config.sections then
+    config.sections = {} -- I've decided to allow empty sections (defaults to 1 section, for single story ebooks)
+  end
+
   -- detecting manually specified sections and flagging it to the rest of the script
   if config.sections[1] then
     config.sections.start = 1
@@ -72,6 +79,10 @@ local function load_config(config_file_text)
     config.sections.start = 1 -- the first one can be optional since the common use case is ALL OF THEM
   end
 
+  if not config.sections.finish then
+    config.sections.finish = 1
+  end
+
   if #config.page_counts ~= config.sections.finish - config.sections.start + 1 then
     error("Number of page_counts does not match number of sections.")
   end
@@ -118,6 +129,7 @@ local function format_metadata(config)
 end
 
 local function download_pages(config)
+  print("\nDownloading pages...\n")
   local htmlparser = utility.require("htmlparser")
   utility.required_program("curl")
   local working_dir = config.base_file_name
@@ -172,6 +184,7 @@ local function download_pages(config)
 end
 
 local function convert_pages(config)
+  print("\nConverting pages...\n")
   utility.required_program("pandoc")
   local working_dir = config.base_file_name
 
@@ -186,6 +199,7 @@ local function convert_pages(config)
 end
 
 local function concatenate_pages(config)
+  print("\nConcatenating pages...\n")
   local working_dir = config.base_file_name
 
   for section = config.sections.start, config.sections.finish do
@@ -220,6 +234,7 @@ local function concatenate_pages(config)
 end
 
 local function write_markdown_file(config)
+  print("\nWriting Markdown file...\n")
   local working_dir = config.base_file_name
 
   utility.open(config.base_file_name .. ".md", "w")(function(markdown_file)
@@ -271,6 +286,7 @@ local function write_markdown_file(config)
 end
 
 local function make_epub(config)
+  print("\nMaking ePub...\n")
   utility.required_program("pandoc")
   local output_dir = "All ePubs"
   os.execute("mkdir " .. output_dir:enquote())
@@ -281,6 +297,7 @@ local function make_epub(config)
 end
 
 local function rm_page_files(config)
+  print("\nRemoving page files...\n")
   local working_dir = config.base_file_name
 
   for section = config.sections.start, config.sections.finish do
@@ -290,6 +307,7 @@ local function rm_page_files(config)
 end
 
 local function rm_all(config)
+  print("\nRemoving all extra files...\n")
   local working_dir = config.base_file_name
 
   os.execute(utility.recursive_remove_command .. working_dir:enquote())
@@ -326,32 +344,41 @@ local function main(arguments)
     cleanpage = rm_page_files,
     cleanall = rm_all,
   }
+  local default_action_order = {
+    "download",
+    "convert",
+    "concat",
+    "cleanpage",
+    "markdown",
+    "epub",
+  }
 
   if arguments.action then
     if actions[arguments.action] then
       actions[arguments.action](config)
+      if arguments.flag == "--continue" then
+        local starting_point_reached = false
+        for _, action in ipairs(default_action_order) do
+          if starting_point_reached then
+            actions[action](config)
+          elseif action == arguments.action then
+            starting_point_reached = true
+          end
+        end
+      end
     else
       print(help)
       error("\nInvalid action specified.")
     end
   else
-    print("\nDownloading pages...\n")
+    for _, action in ipairs(default_action_order) do
-    download_pages(config)
+      actions[action](config)
-    print("\nConverting pages...\n")
-    convert_pages(config)
-    print("\nConcatenating pages...\n")
-    concatenate_pages(config)
-    print("\nRemoving page files...\n")
-    rm_page_files(config)
-    print("\nWriting Markdown file...\n")
-    write_markdown_file(config)
-    print("\nMaking ePub...\n")
-    make_epub(config)
-    print("\nDone!\n")
     end
+  end
+  print("\nDone!\n")
 end
 
-local positional_arguments = {"json_file_name", "action"}
+local positional_arguments = {"json_file_name", "action", "flag"}
 local arguments = argparse(arg, positional_arguments)
 if not arguments.json_file_name then
   print(help)