X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/907fb6ff8ea724f0642075be615ac77c26ac62bb..e52c38e0f9ddf1299ff4d37c838007b4ebfdeaf7:/helpers.lua

diff --git a/helpers.lua b/helpers.lua
index 4e90e16..4ece329 100644
--- a/helpers.lua
+++ b/helpers.lua
@@ -13,6 +13,7 @@ local io     = { open  = io.open,
                  lines = io.lines,
                  popen = io.popen }
 local rawget = rawget
+local table  = { sort   = table.sort }
 
 -- Lain helper functions for internal use
 -- lain.helpers
@@ -113,4 +114,23 @@ end
 
 -- }}}
 
+--{{{ Iterate over table of records sorted by keys
+function helpers.spairs(t)
+    -- collect the keys
+    local keys = {}
+    for k in pairs(t) do keys[#keys+1] = k end
+
+    table.sort(keys)
+
+    -- return the iterator function
+    local i = 0
+    return function()
+        i = i + 1
+        if keys[i] then
+            return keys[i], t[keys[i]]
+        end
+    end
+end
+--}}}
+
 return helpers