added

csv-writer.py

@@ -0,0 +1,14 @@
+import sys
+import csv
+
+def parse(text):
+    return text.replace("~t", "\t").replace("~r", "\r").replace("~n", "\n").replace("~!", "~")
+
+writer = csv.writer(sys.stdout)
+for inrow in sys.stdin:
+    outrow = []
+    for text in inrow.split("\t"):
+        outrow.append(parse(text.rstrip()))
+    writer.writerow(outrow)
+
+#jl