From 5407f926c7868a9bc39c929ec68a87732a769d57 Mon Sep 17 00:00:00 2001
From: Seamus Abshere <seamus@abshere.net>
Date: Tue, 5 Nov 2019 17:50:05 -0500
Subject: [PATCH] example of null removal

---
 README.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/README.md b/README.md
index 281bb12..fdf35f1 100644
--- a/README.md
+++ b/README.md
@@ -87,3 +87,15 @@ it into an existing buffer to avoid `malloc` overhead (which is almost
 certianly the bottleneck here), but that would require more code.  Still,
 file an issue if performance is a problem.  We could probably make this a
 maybe two to four times faster (and it would be fun to optimize).
+
+## Removing all nulls
+
+Here's how to remove [all nulls as defined by BigML](https://bigml.com/api/sources):
+
+```
+scrubcsv --null \\s\*\(N/A\|n/a\|NULL\|null\|\\-\|\\\#DIV/0\|\\\#REF\!\|\\\#NAME\\\?\|NIL\|nil\|NA\|na\|\\\#VALUE\!\|\\\#NULL\!\|NaN\|\\\#N/A\|\\\#NUM\!\|\\\?\)\\s\* foobar.csv
+```
+
+## Copyright
+
+Copyright 2019 Faraday