...
| Result |
|---|---|
r | open text file for reading |
w | truncate to zero length or create text file for writing |
a | append; open or create text file for writing at end-of-file |
rb | open binary file for reading |
wb | truncate to zero length or create binary file for writing |
ab | append; open or create binary file for writing at end-of-file |
r+ | open text file for update (reading and writing) |
w+ | truncate to zero length or create text file for update |
a+ | append; open or create text file for update, writing at end-of-file |
r+b or rb+ | open binary file for update (reading and writing) |
w+b or wb+ | truncate to zero length or create binary file for update |
a+b or ab+ | append; open or create binary file for update, writing at end-of-file |
...