The string pointed to by mode determines how the file will be opened. The following table shows the legal values for mode. (Strings like ?+b?may also be represented as ?b+.? : File Status « File « C++

Home
C++
1.Bitset
2.Class
3.Console
4.Data Structure
5.Data Type
6.Deque
7.Development
8.File
9.Function
10.Generic
11.Language
12.List
13.Map Multimap
14.Overload
15.Pointer
16.Qt
17.Queue Stack
18.Set Multiset
19.STL Algorithms Binary search
20.STL Algorithms Heap
21.STL Algorithms Helper
22.STL Algorithms Iterator
23.STL Algorithms Merge
24.STL Algorithms Min Max
25.STL Algorithms Modifying sequence operations
26.STL Algorithms Non modifying sequence operations
27.STL Algorithms Sorting
28.STL Basics
29.String
30.Valarray
31.Vector
C++ » File » File StatusScreenshots 
The string pointed to by mode determines how the file will be opened. The following table shows the legal values for mode. (Strings like ?+b?may also be represented as ?b+.?
  
Mode        Meaning

r           Open a text file for reading.

w           Create a text file for writing.

a           Append to a text file.

rb          Open a binary file for reading.

wb          Create a binary file for writing.

ab          Append to a binary file.

r+          Open a text file for read/write.

w+          Create a text file for read/write.

a+          Append or create a text file for read/write.

r+b         Open a binary file for read/write.

w+b         Create a binary file for read/write.

a+b         Append or create a binary file for read/write.
  
    
  
Related examples in the same category
1.Check file status
2.End of file sign
3.I/O Status
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.