From aea727f68d5fe5e81fc04ece97ad94c6f12c7270 Mon Sep 17 00:00:00 2001
From: Matei Zaharia <matei@eecs.berkeley.edu>
Date: Wed, 26 Jun 2013 21:14:38 -0700
Subject: [PATCH] Simplify Python docs a little to do substring search
---
docs/python-programming-guide.md | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/docs/python-programming-guide.md b/docs/python-programming-guide.md
index 3a7a8db4a6..7f1e7cf93d 100644
--- a/docs/python-programming-guide.md
+++ b/docs/python-programming-guide.md
@@ -27,14 +27,14 @@ Short functions can be passed to RDD methods using Python's [`lambda`](http://ww
{% highlight python %}
logData = sc.textFile(logFile).cache()
-errors = logData.filter(lambda s: 'ERROR' in s.split())
+errors = logData.filter(lambda line: "ERROR" in line)
{% endhighlight %}
You can also pass functions that are defined using the `def` keyword; this is useful for more complicated functions that cannot be expressed using `lambda`:
{% highlight python %}
def is_error(line):
- return 'ERROR' in line.split()
+ return "ERROR" in line
errors = logData.filter(is_error)
{% endhighlight %}
@@ -43,8 +43,7 @@ Functions can access objects in enclosing scopes, although modifications to thos
{% highlight python %}
error_keywords = ["Exception", "Error"]
def is_error(line):
- words = line.split()
- return any(keyword in words for keyword in error_keywords)
+ return any(keyword in line for keyword in error_keywords)
errors = logData.filter(is_error)
{% endhighlight %}
--
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