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practical python one-liners

Project description

This module tries to improve Python’s usefulness as a tool for writing shell one-liners.

# show line numbers
python -m oneliner -ne '"%5d: %s" % (NR, _)' < input.txt

# convert unix timestamp to something more human readable
date +%s | pyl -j ' => ' -line '_, datetime.datetime.fromtimestamp(int(_))'
# 1355256353 => 2012-12-11 22:05:53

# triple space a file
pyl -ne 'line + "\n"*2' < input.txt

# double space only non-blank lines:
pyl -ne '_ if re.match("^$", _) else _+"\n"' input.txt
Documentation:
http://python-oneliner.readthedocs.org/en/latest/
Development:
https://github.com/gvalkov/python-oneliner
Package:
http://pypi.python.org/pypi/oneliner

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