diff --git a/graph.lua b/graph.lua
new file mode 100755
index 0000000..3a03a11
--- /dev/null
+++ b/graph.lua
@@ -0,0 +1,50 @@
+#!/usr/bin/env lua
+local sitelib = require "sitelib"
+local fs = require "lfs"
+local tags = {}
+
+if not fs.attributes(sitelib.outpath.."/tag") then
+ fs.mkdir(sitelib.outpath.."/tag")
+end
+
+local mdfiles = {}
+local dqueue = {sitelib.srcpath}
+for k,path in pairs(dqueue) do
+ for file in fs.dir(path) do
+ if file:sub(1,1) ~= "." then
+ local attr = fs.attributes(path.."/"..file)
+ if attr.mode == "directory" then
+ dqueue[#dqueue+1] = path.."/"..file
+ elseif file:sub(-3) == ".md" then
+ mdfiles[#mdfiles+1] = path.."/"..file
+ end
+ end
+ end
+end
+
+for k,infile in pairs(mdfiles) do
+ local f = io.open(infile,"rb")
+ local c = f:read("*a")
+ f:close()
+ local page = sitelib.parsepage(c)
+ if page.tags then
+ print((infile:sub(sitelib.srcpath:len()+1)):sub(1,-4)..".html")
+ for w in page.tags:gmatch("%S+") do
+ tags[w] = tags[w] or {}
+ table.insert(tags[w],{(infile:sub(sitelib.srcpath:len()+1)):sub(1,-4)..".html",page.title})
+ end
+ end
+end
+
+local haslabel = {}
+print("graph blog {")
+for tag,v in pairs(tags) do
+ for l,m in pairs(v) do
+ if not haslabel[m[1]:match("(%d+).html")] then
+ print(m[1]:match("(%d+).html").." [label=\""..m[2]:gsub("\"","").."\"];")
+ haslabel[m[1]:match("(%d+).html")] = true
+ end
+ print(tag:gsub("-","").." -- "..m[1]:match("(%d+).html")..";")
+ end
+end
+print("}")
diff --git a/tags.lua b/tags.lua
new file mode 100755
index 0000000..5cfb55d
--- /dev/null
+++ b/tags.lua
@@ -0,0 +1,54 @@
+#!/usr/bin/env lua
+local sitelib = require "sitelib"
+local fs = require "lfs"
+local tags = {}
+
+if not fs.attributes(sitelib.outpath.."/tag") then
+ fs.mkdir(sitelib.outpath.."/tag")
+end
+
+print("Building list of markdown files")
+local mdfiles = {}
+local dqueue = {sitelib.srcpath}
+for k,path in pairs(dqueue) do
+ for file in fs.dir(path) do
+ if file:sub(1,1) ~= "." then
+ local attr = fs.attributes(path.."/"..file)
+ if attr.mode == "directory" then
+ dqueue[#dqueue+1] = path.."/"..file
+ elseif file:sub(-3) == ".md" then
+ mdfiles[#mdfiles+1] = path.."/"..file
+ end
+ end
+ end
+end
+
+print("Reading tags...")
+for k,infile in pairs(mdfiles) do
+ local f = io.open(infile,"rb")
+ local c = f:read("*a")
+ f:close()
+ local page = sitelib.parsepage(c)
+ if page.tags then
+ print((infile:sub(sitelib.srcpath:len()+1)):sub(1,-4)..".html")
+ for w in page.tags:gmatch("%S+") do
+ tags[w] = tags[w] or {}
+ table.insert(tags[w],{(infile:sub(sitelib.srcpath:len()+1)):sub(1,-4)..".html",page.title,page.md:match("\n\n(.-)\n")})
+ end
+ end
+end
+
+print("Writing individual tag indexes...")
+for tag,v in pairs(tags) do
+ local f = io.open(sitelib.outpath.."/tag/"..tag..".html","wb")
+ f:write("Tag: "..tag.."\n")
+ f:write(sitelib.header)
+ f:write("Tag: "..tag.."
\n")
+ for l,m in pairs(v) do
+ f:write("\n")
+ local fline = m[3]:gsub("\"","\\\"")
+ f:write(io.popen("echo \""..fline.."\" | markdown -"):read("*a"))
+ end
+ f:write(sitelib.footer)
+ f:close()
+end