env.lua

@@ -5,7 +5,7 @@ env.app = {
   name = "gemwriter",
   exec_name = "gemwriter",
   version = "0.3",
-  last_updated = "2022-08-06",
+  last_updated = "2022-08-05",
 }
 
 env.defaults = {
@@ -18,7 +18,6 @@ env.defaults = {
     page = "page.gmi",
     post = "post.gmi",
   },
-  lang_opts = { "en_US", "fr_FR" },
   post_slug = "untitled",
   post_slug_date_format = "%Y-%m-%d",
   -- Atom feed date format
@@ -28,24 +27,13 @@ env.defaults = {
   page_slug = os.date("%Y%m%d-%H%M%S"),
 }
 
--- Command-line keywords
-env.cli_opts = {
-  config = "config",
-  page = "page",
-  post = "post",
-  index = "index",
-  publish = "publish",
-  help = "help",
-  version = "version",
-}
-
 -- Configurable settings
 env.toml_vars = {
   general = "general",
   capsules = "capsules",
 }
 env.general = {
-  app_lang = "en_US",
+  app_lang = "en",
   main_capsule = "main",
 }
 env.capsules = {

gemwriter.lua

@@ -1,5 +1,5 @@
 local env = require("env")
-local lang = require("lang.en_US")
+local lang = require("lang.en")
 local util = require("util")
 
 
@@ -8,32 +8,11 @@ writer.docs = {}
 writer.conf = {}
 writer.posts = {}
 
-
-writer.docs.get_lang_opts = [[
-  Return a table of available language translations for the app interface.
-  ]]
-function writer.get_lang_opts()
-  local lang_opts = {}
-  for l = 1, #env.defaults.lang_opts do
-    if util.module_exists("lang." .. env.defaults.lang_opts[l]) then
-      table.insert(lang_opts, env.defaults.lang_opts[l])
-    end
-  end
-  return lang_opts
-end
-
-
 writer.docs.gen_config = [[
   Generate a default config directory.
   ]]
-function writer.gen_config(lang_pref)
+function writer.gen_config()
-  -- Set lang
+  writer.conf.config_dir = util.replace_shell_vars(env.defaults.config_dir)
-  if lang_pref ~= nil and util.module_exists("lang." .. lang_pref) then
-    lang = require("lang." .. lang_pref)
-    env.defaults_toml = string.gsub(env.defaults_toml, env.general.app_lang,
-      lang_pref)
-  end
-
   util.make_dir(writer.conf.config_dir)
   for name, file in pairs(env.defaults.config_files) do
     -- Check each file individually anyway to avoid overwriting existing
@@ -127,9 +106,7 @@ function writer.parse_config(config_file)
   end
 
   -- Set lang
-  if util.module_exists("lang." .. writer.conf.app_lang) then
+  lang = require("lang." .. writer.conf.app_lang)
-    lang = require("lang." .. writer.conf.app_lang)
-  end
 
   -- Custom templates override lang defaults (ignore config)
   for name, file in pairs(env.defaults.config_files) do
@@ -142,23 +119,40 @@ end
 
 
 writer.docs.load_config = [[
-  Load an existing config. Exit if a capsule is not found.
+  Check whether there is an existing config and load it if found. Exit if a
+  capsule is not found.
   ]]
 function writer.load_config(cap_id)
-  -- Check capsule id exists, abort if no valid capsule found
+  writer.conf.config_dir = util.replace_shell_vars(env.defaults.config_dir)
-  if (cap_id == nil) or (string.find(cap_id, " ") ~= nil) then
+  local config_file = util.read_file(writer.conf.config_dir .. "/" ..
-    writer.conf.cap_id = env.general.main_capsule
+    env.defaults.config_files.config)
-  else
+  local config_new = false
-    writer.conf.cap_id = cap_id
+
+  -- No config found
+  if (config_file == "") and (not config_new) then
+    writer.gen_config()
+    config_new = true
   end
-  local cap_label = "%[" .. env.toml_vars.capsules .. "%." ..
+
-    tostring(cap_id) .. "%]"
+  -- Config found, read the configuration and load the values to an
-  if (string.find(writer.conf.config_file, cap_label) == nil) and
+  -- associative table, writer.conf.
-    (writer.conf.cap_id ~= env.general.main_capsule) then
+  if (config_file ~= "") and (not config_new) then
-    print(lang.errs.invalid_cap_id)
+    -- Check capsule id exists, abort if no valid capsule found
-    os.exit()
+    if (cap_id == nil) or (string.find(cap_id, " ") ~= nil) then
+      writer.conf.cap_id = env.general.main_capsule
+    else
+      writer.conf.cap_id = cap_id
+    end
+    local cap_label = "%[" .. env.toml_vars.capsules .. "%." ..
+      tostring(cap_id) .. "%]"
+    if (string.find(config_file, cap_label) == nil) and
+      (writer.conf.cap_id ~= env.general.main_capsule) then
+      print(lang.errs.invalid_cap_id)
+      os.exit()
+    end
+
+    writer.parse_config(config_file)
   end
-  writer.parse_config(writer.conf.config_file)
 end
 
 
@@ -354,58 +348,40 @@ cli.docs.handle_args = [[
   any additional arguments to the functions.
   ]]
 function cli.handle_args(args)
-  if (args[1] ~= env.cli_opts.help) or (args[1] ~= env.cli_opts.version) then
+  if (args[1] ~= lang.opts.help) and (args[1] ~= lang.opts.version) then
-    local config_new = false
+    writer.load_config(args[2])
-    writer.conf.config_dir = util.replace_shell_vars(env.defaults.config_dir)
-    writer.conf.config_file = util.read_file(writer.conf.config_dir .. "/" ..
-      env.defaults.config_files.config)
-    -- No config found
-    if (writer.conf.config_file == "") and (not config_new) then
-      writer.gen_config(args[2])
-      config_new = true
-    end
-    -- Config found, read the configuration and load the values to an
-    -- associative table, writer.conf.
-    if (writer.conf.config_file ~= "") and (not config_new) then
-      writer.load_config(args[2])
-    end
   end
 
-  if (args[1] == env.cli_opts.index) or (args[1] == env.cli_opts.publish) then
+  if (args[1] == lang.opts.index) or (args[1] == lang.opts.publish) then
     writer.posts = writer.get_posts_meta()
     if writer.conf.cap.gen_index_page then writer.gen_index_page() end
     if writer.conf.cap.gen_atom_feed then writer.gen_atom_feed() end
   end
 
-  if args[1] == env.cli_opts.config then
+  if args[1] == lang.opts.config then
-    writer.gen_config(args[2])
+    writer.load_config()
-    print(string.format(lang.msgs.load_config, writer.conf.config_dir))
+    print(lang.msgs.load_config .. writer.conf.config_dir)
 
-  elseif (args[1] == env.cli_opts.post) or (args[1] == env.cli_opts.page) then
+  elseif (args[1] == lang.opts.post) or (args[1] == lang.opts.page) then
     local file_name = ""
     if args[3] ~= nil then
       file_name = writer.add_gemtext(args[3], args[1])
     else
       file_name = writer.add_gemtext(args[2], args[1])
     end
-    print(string.format(lang.msgs.add_gemtext, file_name))
+    print(lang.msgs.add_gemtext .. file_name)
 
-  elseif args[1] == env.cli_opts.index then
+  elseif args[1] == lang.opts.index then
     print(lang.msgs.index)
 
-  elseif args[1] == env.cli_opts.publish then
+  elseif args[1] == lang.opts.publish then
     writer.publish()
     print(lang.msgs.publish)
 
-  elseif args[1] == env.cli_opts.help then
+  elseif args[1] == lang.opts.help then
-    print(string.format(lang.msgs.help_usage, env.app.exec_name) ..
+    print(env.app.exec_name .. lang.msgs.help)
-      string.format(lang.msgs.help_opts, env.cli_opts.config,
-      env.cli_opts.page, env.cli_opts.post, env.cli_opts.index,
-      env.cli_opts.publish, env.cli_opts.help, env.cli_opts.version) ..
-      string.format(lang.msgs.help_lang_opts,
-        table.concat(writer.get_lang_opts(), ", ")))
 
-  elseif args[1] == env.cli_opts.version then
+  elseif args[1] == lang.opts.version then
     print(env.app.name .. " " .. env.app.version ..
       " (" .. env.app.last_updated .. ")")
   end

lang/en.lua

@@ -0,0 +1,145 @@
+local en = {}
+
+-- Templates
+en.tpl_vars = {
+  post = {
+    author = "{{ post_author }}",
+    content = "{{ post_content }}",
+    date = "{{ post_date }}",
+    summary = "{{ post_summary }}",
+    tags = "{{ post_tags }}",
+    title = "{{ post_title }}",
+    url = "{{ post_url }}",
+  },
+  feed = {
+    date = "{{ feed_date }}",
+    url = "{{ feed_url }}",
+  },
+  index = {
+    posts = "{{ posts }}",
+  },
+  log = {
+    author = "{{ log_author }}",
+    subtitle = "{{ log_subtitle }}",
+    title = "{{ log_title }}",
+    log_url = "{{ log_url }}",
+  },
+}
+
+en.atom_header = [[<?xml version="1.0" encoding="UTF-8"?>
+<feed xmlns="http://www.w3.org/2005/Atom">
+  <title>{{ log_title }}</title>
+  <subtitle>{{ log_subtitle }}</subtitle>
+  <updated>{{ feed_date }}</updated>
+  <author>
+    <name>{{ log_author }}</name>
+  </author>
+  <id>{{ feed_url }}</id>
+  <link href="{{ log_url }}" rel="alternate"/>
+  <link href="{{ feed_url }}" rel="self" type="application/atom+xml"/>
+]]
+
+en.atom_entry = [[
+  <entry>
+    <id>{{ post_url }}</id>
+    <title>
+      <![CDATA[{{ post_title }}]] .. "]]>" .. [[
+
+    </title>
+    <updated>{{ post_date }}</updated>
+    <author>
+      <name>{{ post_author }}</name>
+    </author>
+    <link href="{{ post_url }}" rel="alternate"/>
+    <summary>
+      <![CDATA[{{ post_summary }}]] .. "]]>" .. [[
+
+    </summary>
+    <content>
+      <![CDATA[{{ post_content }}]] .. "]]>" .. [[
+
+    </content>
+  </entry>
+]]
+
+en.atom_footer = [[</feed>]]
+
+en.post = [[---
+date: {{ post_date }}
+---
+
+# {{ post_title }}
+
+
+
+
+## Links
+
+=> gemini:// link
+=> gemini:// link (img)
+=> https:// link (https)]]
+
+en.index = [[
+# {{ log_title }}
+{{ posts }}
+]]
+
+en.page = [[
+# {{ post_title }}
+
+## Heading 2
+### Heading 3
+
+List:
+
+*
+*
+*
+
+```
+Preformatted text
+```
+
+
+## Links
+
+=> gemini:// link
+=> gemini:// link (img)
+=> https:// link (https)]]
+
+-- App command options and messages output
+en.opts = {
+  config = "config",
+  page = "page",
+  post = "post",
+  index = "index",
+  publish = "publish",
+  help = "help",
+  version = "version",
+}
+
+en.msgs = {
+  add_gemtext = "Created ",
+  help = [[ [options] [capsule] [title]
+
+Options:
+
+config                    Generate a config directory
+page [capsule] [title]    Add a new page with the given title
+post [capsule] [title]    Add a new gemlog post with the given title
+index                     Generate an index page and feed of posts
+publish                   Index and copy posts remotely using scp
+help                      Show this help message
+version                   Print version info]],
+  index = "Created index page and feed.",
+  load_config = [[Created config files. Please edit them with the correct
+details before proceeding. The config files can be found at:
+]],
+  publish = "Published capsule.",
+}
+
+en.errs = {
+  invalid_cap_id = "Error: unknown capsule id.",
+}
+
+return en

lang/en_US.lua

@@ -1,157 +0,0 @@
-local en = {}
-
--- Templates
-en.tpl_vars = {
-  post = {
-    author = "{{ author }}",
-    content = "{{ content }}",
-    date = "{{ date }}",
-    summary = "{{ summary }}",
-    -- This is not used in the templates yet.
-    tags = "{{ tags }}",
-    title = "{{ title }}",
-    url = "{{ url }}",
-  },
-  feed = {
-    date = "{{ date }}",
-    url = "{{ feed_url }}",
-  },
-  index = {
-    posts = "{{ posts }}",
-  },
-  log = {
-    author = "{{ author }}",
-    subtitle = "{{ subtitle }}",
-    title = "{{ title }}",
-    url = "{{ log_url }}",
-  },
-}
-
-en.atom_header = [[<?xml version="1.0" encoding="UTF-8"?>
-<feed xmlns="http://www.w3.org/2005/Atom">
-  <title>{{ title }}</title>
-  <subtitle>{{ subtitle }}</subtitle>
-  <updated>{{ date }}</updated>
-  <author>
-    <name>{{ author }}</name>
-  </author>
-  <id>{{ feed_url }}</id>
-  <link href="{{ log_url }}" rel="alternate"/>
-  <link href="{{ feed_url }}" rel="self" type="application/atom+xml"/>
-]]
-
-en.atom_entry = [[
-  <entry>
-    <id>{{ url }}</id>
-    <title>
-      <![CDATA[{{ title }}]] .. "]]>" .. [[
-
-    </title>
-    <updated>{{ date }}</updated>
-    <author>
-      <name>{{ author }}</name>
-    </author>
-    <link href="{{ url }}" rel="alternate"/>
-    <summary>
-      <![CDATA[{{ summary }}]] .. "]]>" .. [[
-
-    </summary>
-    <content>
-      <![CDATA[{{ content }}]] .. "]]>" .. [[
-
-    </content>
-  </entry>
-]]
-
-en.atom_footer = [[</feed>]]
-
-en.post = [[---
-date: {{ date }}
----
-
-# {{ title }}
-
-
-
-
-## Links
-
-=> gemini:// link
-=> gemini:// link (img)
-=> https:// link (https)]]
-
-en.index = [[
-# {{ title }}
-{{ posts }}
-]]
-
-en.page = [[
-# {{ title }}
-
-## Heading 2
-### Heading 3
-
-List:
-
-*
-*
-*
-
-```
-Preformatted text
-```
-
-
-## Links
-
-=> gemini:// link
-=> gemini:// link (img)
-=> https:// link (https)]]
-
-
-en.msgs = {}
-
--- %s: gemtext filename
-en.msgs.add_gemtext = "Created %s."
-
--- %s: app executable name
-en.msgs.help_usage = [[%s [options] [capsule] [title]
-
-]]
-
--- %s: command-line options
--- (see env.lua env.cli_opts for the full list)
-en.msgs.help_opts = [[
-Options:
-
-%s [lang]             Generate a config directory
-%s [capsule] [title]    Add a new page with the given title
-%s [capsule] [title]    Add a new gemlog post with the given title
-%s                     Generate an index page and feed of posts
-%s                   Index and copy posts remotely using scp
-%s                      Show this help message
-%s                   Print version info
-]]
-
--- %s: list of language codes
-en.msgs.help_lang_opts = [[
-
-Config language options:
-
-%s]]
-
-en.msgs.index = "Created index page and feed."
-
--- %s: config directory path
-en.msgs.load_config = [[Created config files. Please edit them with the correct
-details before proceeding. The config files can be found at:
-%s]]
-
-en.msgs.publish = "Published capsule."
-
-
-en.errs = {
-  invalid_cap_id = "Error: unknown capsule id.",
-}
-
-return en

lang/eo.lua

@@ -1,159 +0,0 @@
-local eo = {}
-
--- Templates
-eo.tpl_vars = {
-  post = {
-    author = "{{ aŭtoro }}",
-    content = "{{ entenaĵo }}",
-    date = "{{ dato }}",
-    summary = "{{ resumo }}",
-    -- This is not used in the templates yet.
-    tags = "{{ markoj }}",
-    title = "{{ titolo }}",
-	-- unuforma risurca lokindiko
-    url = "{{ url }}",
-  },
-  feed = {
-    date = "{{ dato }}",
-    url = "{{ XML-fluo_url }}",
-  },
-  index = {
-    posts = "{{ afiŝejo }}",
-  },
-  log = {
-    author = "{{ aŭtoro }}",
-    subtitle = "{{ subtitolo }}",
-    title = "{{ titolo }}",
-    url = "{{ protokolo_url }}",
-  },
-}
-
-eo.atom_header = [[<?xml version="1.0" encoding="UTF-8"?>
-<feed xmlns="http://www.w3.org/2005/Atom">
-  <title>{{ titolo }}</title>
-  <subtitle>{{ subtitolo }}</subtitle>
-  <updated>{{ dato }}</updated>
-  <author>
-    <name>{{ aŭtoro }}</name>
-  </author>
-  <id>{{ XML-fluo_url }}</id>
-  <link href="{{ protokolo_url }}" rel="alternate"/>
-  <link href="{{ XML-fluo_url }}" rel="self" type="application/atom+xml"/>
-]]
-
-eo.atom_entry = [[
-  <entry>
-    <id>{{ url }}</id>
-    <title>
-      <![CDATA[{{ titolo }}]] .. "]]>" .. [[
-
-    </title>
-    <updated>{{ dato }}</updated>
-    <author>
-      <name>{{ aŭtoro }}</name>
-    </author>
-    <link href="{{ url }}" rel="alternate"/>
-    <summary>
-      <![CDATA[{{ resumo }}]] .. "]]>" .. [[
-
-    </summary>
-    <content>
-      <![CDATA[{{ entenaĵo }}]] .. "]]>" .. [[
-
-    </content>
-  </entry>
-]]
-
-eo.atom_footer = [[</feed>]]
-
-eo.post = [[---
-date: {{ dato }}
----
-
-# {{ titolo }}
-
-
-
-
-## Ligiloj
-
-=> gemini:// ligilo
-=> gemini:// ligilo (bildo)
-=> https:// ligilo (https)]]
-
-eo.index = [[
-# {{ titolo }}
-{{ afiŝejo }}
-]]
-
-eo.page = [[
-# {{ titolo }}
-
-## supra paĝotitolo 2
-### supra paĝotitolo 3
-
-Tabelo:
-
-*
-*
-*
-
-```
-antaŭformatita teksto
-```
-
-
-## Ligiloj
-
-=> gemini:// ligilo
-=> gemini:// ligilo (bildo)
-=> https:// ligilo (https)]]
-
-
-eo.msgs = {}
-
--- %s: gemtext filename
-eo.msgs.add_gemtext = "Kreita %s."
-
--- %s: app executable name
-eo.msgs.help_usage = [[%s [opcioj] [kapsulo] [titolo]
-
-]]
-
--- %s: command-line options
--- (see env.lua env.cli_opts for the full list)
-eo.msgs.help_opts = [[
-Opcioj:
-
-%s [lang]             Generi agordan dosierujon
-%s [kapsulo] [titolo]    Aldonu novan paĝon kun la donita titolo
-%s [kapsulo] [titolo]    Aldonu novan gemlog-afiŝon kun la donita titolo
-%s                     Generu indeksan paĝon kaj fonton de afiŝoj
-%s                   Indeksu kaj kopiu afiŝojn malproksime uzante scp
-
-%s                      Helpema helpo estas helpema
-%s                   Presaĵversio-informoj
-]]
-
--- %s: list of language codes
-eo.msgs.help_lang_opts = [[
-
-Agordu lingvo-opciojn:
-
-%s]]
-
-eo.msgs.index = "Kreita indeksa paĝo kaj feed"
-
--- %s: config directory path
-eo.msgs.load_config = [[Kreis agordosierojn. Bonvolu redakti ilin per la ĝustaj
-detaloj antaŭ ol daŭrigi. La agordosieroj troveblas ĉe:
-%s]]
-
-eo.msgs.publish = "Eldonita kapsulo."
-
-
-eo.errs = {
-   invalid_cap_id = "Eraro: nekonata kapsula id.",
-}
-
-return eo

lang/fr_FR.lua

@@ -1,160 +0,0 @@
-local fr = {}
-
--- Templates
-fr.tpl_vars = {
-  post = {
-    author = "{{ auteur }}",
-    content = "{{ contenu }}",
-    date = "{{ date }}",
-    summary = "{{ résumé }}",
-    -- This is not used in the templates yet.
-    tags = "{{ tags }}",
-    title = "{{ titre }}",
-    url = "{{ url }}",
-  },
-  feed = {
-    date = "{{ date }}",
-    url = "{{ url_flux }}",
-  },
-  index = {
-    posts = "{{ articles }}",
-  },
-  log = {
-    -- The concept of a "gemlog" does not have a French translation,
-    -- the closest term after some discussion might be "journal".
-    author = "{{ auteur }}",
-    subtitle = "{{ sous_titre }}",
-    title = "{{ titre }}",
-    log_url = "{{ url_journal }}",
-  },
-}
-
-fr.atom_header = [[<?xml version="1.0" encoding="UTF-8"?>
-<feed xmlns="http://www.w3.org/2005/Atom">
-  <title>{{ titre }}</title>
-  <subtitle>{{ sous_titre }}</subtitle>
-  <updated>{{ date }}</updated>
-  <author>
-    <name>{{ auteur }}</name>
-  </author>
-  <id>{{ url_flux }}</id>
-  <link href="{{ url_journal }}" rel="alternate"/>
-  <link href="{{ url_flux }}" rel="self" type="application/atom+xml"/>
-]]
-
-fr.atom_entry = [[
-  <entry>
-    <id>{{ url }}</id>
-    <title>
-      <![CDATA[{{ titre }}]] .. "]]>" .. [[
-
-    </title>
-    <updated>{{ date }}</updated>
-    <author>
-      <name>{{ auteur }}</name>
-    </author>
-    <link href="{{ url }}" rel="alternate"/>
-    <summary>
-      <![CDATA[{{ résumé }}]] .. "]]>" .. [[
-
-    </summary>
-    <content>
-      <![CDATA[{{ contenu }}]] .. "]]>" .. [[
-
-    </content>
-  </entry>
-]]
-
-fr.atom_footer = [[</feed>]]
-
-fr.post = [[---
-date: {{ date }}
----
-
-# {{ titre }}
-
-
-
-
-## Liens
-
-=> gemini:// lien
-=> gemini:// lien (image)
-=> https:// lien (https)]]
-
-fr.index = [[
-# {{ titre }}
-{{ articles }}
-]]
-
-fr.page = [[
-# {{ titre }}
-
-## Titre de niveau 2
-### Titre de niveau 3
-
-Liste :
-
-*
-*
-*
-
-```
-Texte préformaté
-```
-
-
-## Liens
-
-=> gemini:// lien
-=> gemini:// lien (image)
-=> https:// lien (https)]]
-
-
-fr.msgs = {}
-
--- %s: gemtext filename
-fr.msgs.add_gemtext = "%s créé."
-
--- %s: app executable name
-fr.msgs.help_usage = [[%s [options] [capsule] [titre]
-
-]]
-
--- %s: command-line options
--- (see env.lua env.cli_opts for the full list)
-fr.msgs.help_opts = [[
-Options :
-
-%s [lang]             Générer un dossier de configuration
-%s [capsule] [titre]    Ajouter une nouvelle page avec le titre fourni
-%s [capsule] [titre]    Ajouter un nouvel article avec le titre fourni
-%s                     Générer une page d'accueil et un flux d'articles
-%s                   Générer les pages puis les publier via scp
-%s                      Afficher ce message d'aide
-%s                   Afficher les informations de version
-]]
-
--- %s: list of language codes
-fr.msgs.help_lang_opts = [[
-
-Langues disponibles :
-
-%s]]
-
-fr.msgs.index = "Flux et page d'accueil créés."
-
--- %s: config directory path
-fr.msgs.load_config = [[Les fichiers de configuration ont été créés. Veuillez y
-inscrire les valeurs correctes avant de continuer.
-Les fichiers peuvent être trouvés dans :
-%s]]
-
-fr.msgs.publish = "Capsule publiée."
-
-
-fr.errs = {
-  invalid_cap_id = "Erreur: Identifiant de capsule inconnu.",
-}
-
-return fr

readme.md

@@ -6,7 +6,7 @@ A little command-line helper for publishing [Gemini] sites or "capsules".
 ```
 Options:
 
-config [lang]             Generate a config directory
+config                    Generate a config directory
 page [capsule] [title]    Add a new page with the given title
 post [capsule] [title]    Add a new gemlog post with the given title
 index                     Generate an index page and feed of posts
@@ -25,20 +25,17 @@ version                   Print version info
 
 ## Build
 
-- Install Lua (including development libraries and headers) and [luastatic].
+- Install Lua and [luastatic].
 
 - Clone this repository and change into the directory. Run:
 
   ```
-  luastatic gemwriter.lua env.lua util.lua lang/*.lua \
+  luastatic gemwriter.lua env.lua util.lua lang/en.lua \
-    /usr/lib/[arch]/liblua[5.x].a -I/usr/include/lua[5.x] -static \
+    /usr/lib/liblua.so -I/usr/include -o gemwriter
-    -o gemwriter
   ```
 
-  Replace `[arch]` with the OS architecture, e.g. `x86_64-linux-gnu`, and
+  The paths to `liblua.so` and the development headers (i.e.
-  `[5.x]` with the Lua version. The paths to `liblua.a` and the development
+  `/usr/include/lua.h`) may need to be adjusted for your distribution.
-  headers (i.e.  `/usr/include/lua[5.x]/lua.h`) may need to be adjusted for
-  your distribution.
 
 - Move the `gemwriter` executable to a location in your `$PATH`.
 
@@ -55,14 +52,6 @@ version                   Print version info
 4. Publish your capsule: `gemwriter publish`
 
 
-## Credits
-
-Special thanks to the following contributors:
-
-- [lucidiot](https://tilde.town/~lucidiot/) — French translation
-- [wsinatra](http://lambdacreate.com/) — Esperanto translation
-
-
 ## License
 
 BSD-3-Clause

util.lua

@@ -28,7 +28,11 @@ end
 function util.extract_str(full_str, find_str, end_str)
   local fi1, fi2 = string.find(full_str, find_str, 1)
   local ei1, ei2 = string.find(full_str, end_str, fi2)
-  return string.sub(full_str, fi2 + 1, ei1 - 1)
+  if end_str == "\n" then
+    return string.sub(full_str, fi2 + 1, ei1 - 2)
+  else
+    return string.sub(full_str, fi2 + 1, ei1 - 1)
+  end
 end
 
 
@@ -135,16 +139,6 @@ function util.extract_file_date(dir, file)
 end
 
 
-function util.module_exists(mod)
-  local check, err = pcall(require, mod)
-  if check then do
-    return true end
-  else
-    return false
-  end
-end
-
-
 function util.read_file(file)
   local fh = io.open(file, "r")
   local text = ""