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#!/usr/bin/env python
# -*- mode: python, encoding: utf-8 -*-
# libgamma -- Display server abstraction layer for gamma ramp adjustments
# Copyright (C) 2014 Mattias Andrée (maandree@member.fsf.org)
#
# This library is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this library. If not, see <http://www.gnu.org/licenses/>.
# Very limited GNU cut.
import sys
delimiter = '\t'
fields = []
complement = False
i, n = 1, len(sys.argv)
while i < n:
arg = sys.argv[i]
if arg == '-d':
i += 1
delimiter = sys.argv[i]
elif arg == '-f':
i += 1
fields += [int(f) - 1 for f in sys.argv[i].split(',')]
elif arg == '--complement':
complement = True
i += 1
fields = set(fields)
def modify(line):
line = line.split(delimiter)
if complement:
line = [line[i] for i in range(len(line)) if i not in fields]
else:
line = [line[i] for i in range(len(line)) if i in fields]
return delimiter.join(line)
data = sys.stdin.read()
data = '\n'.join(modify(line) for line in data.split('\n'))
sys.stdout.write(data)
sys.stdout.flush()
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