1 files changed, 16 insertions, 0 deletions
diff --git a/cr-test.cr b/cr-test.cr
new file mode 100644
index 0000000..18c6580
--- /dev/null
+++ b/cr-test.cr
@@ -0,0 +1,16 @@
+# build: crystal build --release cr-test.cr
+
+require "csv"
+
+# get paths
+src_path, dst_path = ARGV
+
+File.open(src_path, "rb") do |src_io|
+  File.open(dst_path, "wb") do |dst_io|
+    CSV.build(dst_io) do |dst|
+      CSV.each_row(src_io) do |row|
+        dst.row(row += (%w{foo} * 2))
+      end
+    end
+  end
+end