Python File truncate() Method
Example
Open the file with "a" for appending, then truncate the file to 20 bytes:
f = open("demofile2.txt", "a")
f.truncate(20)
f.close()
#open
and read the file after the truncate:
f = open("demofile2.txt", "r")
print(f.read())
Run Example »
Definition and Usage
The truncate() method resizes the file to
the given number of bytes.
If the size is not specified, the current position will be used.
Syntax
file.truncate(size)
Parameter Values
| Parameter | Description |
|---|---|
| size | Optional. The size of the file (in bytes) after the truncate. Default None, which means the current file stream position. |
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