From ac033b30757f92f533ce6cec6b7c128dad2d6ad1 Mon Sep 17 00:00:00 2001
From: Geoff Leyland <geoff.leyland@incremental.co.nz>
Date: Fri, 6 Dec 2013 12:56:02 +1300
Subject: [PATCH] ignore blank lines (I'm not sure this is a good thing *in*
 the file, but ignoring blank lines at the end is a good idea)

---
 lua/csv.lua              | 4 +++-
 lua/test.lua             | 3 +++
 test-data/blank-line.csv | 1 +
 3 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 test-data/blank-line.csv

diff --git a/lua/csv.lua b/lua/csv.lua
index 53916d8..79a5d16 100644
--- a/lua/csv.lua
+++ b/lua/csv.lua
@@ -285,7 +285,9 @@ local function separated_values_iterator(file, parameters)
       elseif parameters.header and not header then
         header = fields
       else
-        coroutine.yield(fields, starts)
+        if fields[1] ~= "" or fields[2] then  -- ignore blank lines
+          coroutine.yield(fields, starts)
+        end
       end
       field_count, fields, starts = 0, {}, {}
     end
diff --git a/lua/test.lua b/lua/test.lua
index 327fab3..fc0eac2 100644
--- a/lua/test.lua
+++ b/lua/test.lua
@@ -50,6 +50,9 @@ apple:four,charlie:60]],
   apple = { name = "ALPHA", transform = string.lower },
   charlie = { transform = function(x) return tonumber(x) * 10 end }}})
 
+test("../test-data/blank-line.csv", [[
+this,file,ends,with,a,blank,line]])
+
 
 if errors == 0 then
   io.stdout:write("Passed\n")
diff --git a/test-data/blank-line.csv b/test-data/blank-line.csv
new file mode 100644
index 0000000..d04ca0d
--- /dev/null
+++ b/test-data/blank-line.csv
@@ -0,0 +1 @@
+this,file,ends,with,a,blank,line