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Python tail is a simple implementation of GNU tail and head.

Project Description

Python tail is a simple implementation of GNU tail and head.

It provides 3 main functions that can be performed on any file-like object that supports seek() and tell().

  • tail - read lines from the end of a file
  • head - read lines from the top of a file
  • follow - read lines as a file grows

It also comes with pytail, a command line version offering the same functionality as GNU tail. This can be particularly useful on Windows systems that have no tail equivalent.

Installation

Install with pip or easy_install.

pip install tailer

Examples

import tailer
f = open('test.txt', 'w')
for i in range(11):
    f.write('Line %d\\n' % (i + 1))
f.close()

Tail

# Get the last 3 lines of the file
tailer.tail(open('test.txt'), 3)
# ['Line 9', 'Line 10', 'Line 11']

Follow

# Follow the file as it grows
for line in tailer.follow(open('test.txt')):
    print line

Running Tests

Tailer currently only has doctests.

Run tests with nose:

nosetests --with-doctest src/tailer

Run tests with doctest:

python -m doctest -v src/tailer/__init__.py
Release History

Release History

This version
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0.4.1

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0.4

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0.3

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0.2.1

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0.2

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0.1.1

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0.1

Download Files

Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
tailer-0.4.1.tar.gz (7.5 kB) Copy SHA256 Checksum SHA256 Source Dec 9, 2015

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