file tell and seek in python ||Python Tutorial #17 || Python Tutorial for Beginners

Опубликовано: 06 Октябрь 2024
на канале: Code4You

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This is my 17th python tutorial for beginners -
In this Python Tutorial:
file tell and seek in python

tell()
Return the current stream position.

seek(offset[, whence])
Change the stream position to the given byte offset. offset is interpreted relative to the position indicated by whence. The default value for whence is SEEK_SET. Values for whence are:

SEEK_SET or 0 – start of the stream (the default); offset should be zero or positive
SEEK_CUR or 1 – current stream position; offset may be negative
SEEK_END or 2 – end of the stream; offset is usually negative

Return the new absolute position.

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This module provides a portable way of using operating system dependent functionality.

===Code===
file_name = "test.txt"
f1 = open(file_name, 'r')
f1.seek(12)
print f1.read()
f1.close()

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