filecmp&difflib模块

filecmp&difflib模块

Author: layne0031

day-043filecmp&difflib/filecmp&difflib.py

@@ -0,0 +1,21 @@
+#新建两个文件f1 和 f2
+#f1存储的数据是1,2,3
+#f2存储的数据是4,5,6
+import filecmp
+print(filecmp.cmp("f1","f1"))
+print(filecmp.cmp("f1","f2"))
+
+
+import difflib
+from pprint import pprint
+
+a = 'pythonclub.org is wonderful'
+b = 'Pythonclub.org also wonderful'
+s = difflib.SequenceMatcher(None, a, b)
+
+print ("s.get_matching_blocks():")
+pprint(s.get_matching_blocks())
+print ("s.get_opcodes():")
+for tag, i1, i2, j1, j2 in s.get_opcodes():
+    print ("%7s a[%d:%d] (%s) b[%d:%d] (%s)" %  (tag, i1, i2, a[i1:i2], j1, j2, b[j1:j2]))
+