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Python File truncate() Method

❮ File Methods

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.

❮ File Methods