From: Sjoerd Mullender <sjoerd@acm.org>
Date: Fri, 11 Aug 2000 07:48:36 +0000 (+0000)
Subject: Use built in function filter instead of doing it laboriously by hand.
X-Git-Tag: v2.0b1~515
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d2653a9e07fbbf999774d624adde9e77914ca266;p=thirdparty%2FPython%2Fcpython.git

Use built in function filter instead of doing it laboriously by hand.
---

diff --git a/Lib/mailbox.py b/Lib/mailbox.py
index afd9a5576000..4518e7d0629e 100755
--- a/Lib/mailbox.py
+++ b/Lib/mailbox.py
@@ -157,11 +157,10 @@ class MHMailbox:
         import re
         pat = re.compile('^[1-9][0-9]*$')
         self.dirname = dirname
-        files = os.listdir(self.dirname)
-        list = []
-        for f in files:
-            if pat.match(f):
-                list.append(f)
+        # the three following lines could be combined into:
+        # list = map(long, filter(pat.match, os.listdir(self.dirname)))
+        list = os.listdir(self.dirname)
+        list = filter(pat.match, list)
         list = map(long, list)
         list.sort()
         # This only works in Python 1.6 or later;