added an RSS feed generator finally

blog.lua

@@ -34,7 +34,7 @@ for i = #ftab, 1, -1 do
    f:write("<div class=\"right-column\"><h4><a href=\""..tostring(i+1)..".html\">Next</a></div>")
   end
   if ftab[i-1] then
-   f:write("<div class=\"left-column\"><h4><a href=\""..tostring(i-1)..".html\">Previous</a></div>")
+   f:write("<div class=\"left-column\" align='left'><h4><a href=\""..tostring(i-1)..".html\">Previous</a></div>")
   end
   f:write("</div>")
  end

genall.sh

@@ -3,3 +3,6 @@
 ./blog.lua
 ./tags.lua
 ./home.lua
+./genrss.lua
+./gengopher.lua
+./gopher-home.lua

genrss.lua

@@ -0,0 +1,64 @@
+#!/usr/bin/env lua
+local sitelib = require "sitelib"
+local fs = require "lfs"
+
+print("Reading blog entries")
+local mdfiles = {}
+for file in fs.dir(sitelib.srcpath.."/blog/") do
+ if file:sub(1,1) ~= "." then
+  local index = tonumber(file:match("(%d+).md"))
+  if index then
+   mdfiles[index] = file
+  end
+ end
+end
+
+if not fs.attributes(sitelib.gopherpath) then
+ fs.mkdir(sitelib.gopherpath)
+end
+
+local index=""
+local itemtemplate = [[%s <item>
+  <title>%s</title>
+  <description>%s</description>
+  <link>%s</link>
+  <guid>%s</guid>
+  <pubDate>%s</pubDate>
+ </item>
+]]
+print("Generating index")
+for i = #mdfiles, #mdfiles - 9, -1 do
+ infile = mdfiles[i]
+ local fpath = "/blog/"..infile
+ local infile = sitelib.srcpath.."/blog/"..infile
+ local uuid = "https://"..sitelib.hostname..(fpath:sub(1,-3)).."html"
+ print(infile,fpath,uuid)
+--[[
+ local u = io.popen("./uuidfile.sh "..infile)
+ local uuid = u:read("*a"):match("[^\n]+")
+ u:close()
+]]--
+ local f = io.open(infile,"rb")
+ local c = f:read("*a")
+ f:close()
+ local page = sitelib.parsepage(c)
+ local fline = page.md:match("\n\n(.-)\n")
+ print(fline)
+ -- attempt to convert existing date to a dumb RFC 822 date
+ local d = io.popen("date --date='"..page.date.."' '+%a, %d %b %Y %H:%M:00 %z'"):read("*a"):match("(.+)\n")
+ index = string.format(itemtemplate,index,page.title,fline,uuid,uuid,d)
+end
+
+index=[[<?xml version="1.0" encoding="UTF-8" ?>
+<rss version="2.0">
+<channel>
+ <title>ShadowKat Studios</title>
+ <link>https://shadowkat.net</link>
+ <description>ShadowKat Studios Blog Entries</description>
+]]..index
+
+local f = io.open(sitelib.outpath.."/rss.xml","wb")
+f:write(index)
+f:write([[</channel>
+</rss>]])
+f:close()